doc: add structure graphic to mainpage
doc: add structure graphic to mainpage

katezilla/RIOT,mtausig/RIOT,jasonatran/RIOT,rousselk/RIOT,ks156/RIOT,josephnoir/RIOT,gebart/RIOT,kYc0o/RIOT,dkm/RIOT,TobiasFredersdorf/RIOT,OlegHahm/RIOT,x3ro/RIOT,OTAkeys/RIOT,RubikonAlpha/RIOT,roberthartung/RIOT,gebart/RIOT,alignan/RIOT,ant9000/RIOT,neumodisch/RIOT,stevenj/RIOT,zhuoshuguo/RIOT,mziegert/RIOT,LudwigOrtmann/RIOT,OTAkeys/RIOT,BytesGalore/RIOT,wentaoshang/RIOT,kaspar030/RIOT,MohmadAyman/RIOT,kbumsik/RIOT,plushvoxel/RIOT,malosek/RIOT,immesys/RiSyn,dailab/RIOT,altairpearl/RIOT,alignan/RIOT,kaleb-himes/RIOT,rajma996/RIOT,biboc/RIOT,avmelnikoff/RIOT,tfar/RIOT,rfuentess/RIOT,authmillenon/RIOT,avmelnikoff/RIOT,jfischer-phytec-iot/RIOT,attdona/RIOT,tfar/RIOT,toonst/RIOT,ant9000/RIOT,thomaseichinger/RIOT,binarylemon/RIOT,gebart/RIOT,beurdouche/RIOT,jfischer-phytec-iot/RIOT,katezilla/RIOT,kb2ma/RIOT,immesys/RiSyn,Yonezawa-T2/RIOT,neiljay/RIOT,d00616/RIOT,backenklee/RIOT,cladmi/RIOT,brettswann/RIOT,BytesGalore/RIOT,authmillenon/RIOT,syin2/RIOT,kbumsik/RIOT,binarylemon/RIOT,tfar/RIOT,smlng/RIOT,asanka-code/RIOT,kaspar030/RIOT,BytesGalore/RIOT,zhuoshuguo/RIOT,toonst/RIOT,kaspar030/RIOT,yogo1212/RIOT,kerneltask/RIOT,yogo1212/RIOT,jremmert-phytec-iot/RIOT,MohmadAyman/RIOT,altairpearl/RIOT,stevenj/RIOT,MohmadAyman/RIOT,gautric/RIOT,altairpearl/RIOT,katezilla/RIOT,jremmert-phytec-iot/RIOT,jremmert-phytec-iot/RIOT,kb2ma/RIOT,gautric/RIOT,rfuentess/RIOT,adjih/RIOT,dailab/RIOT,x3ro/RIOT,l3nko/RIOT,roberthartung/RIOT,josephnoir/RIOT,neiljay/RIOT,kYc0o/RIOT,basilfx/RIOT,BytesGalore/RIOT,BytesGalore/RIOT,kb2ma/RIOT,ks156/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,hamilton-mote/RIOT-OS,ks156/RIOT,altairpearl/RIOT,rajma996/RIOT,biboc/RIOT,basilfx/RIOT,kbumsik/RIOT,syin2/RIOT,beurdouche/RIOT,RBartz/RIOT,roberthartung/RIOT,shady33/RIOT,plushvoxel/RIOT,authmillenon/RIOT,immesys/RiSyn,beurdouche/RIOT,neumodisch/RIOT,toonst/RIOT,attdona/RIOT,Yonezawa-T2/RIOT,mfrey/RIOT,cladmi/RIOT,thomaseichinger/RIOT,l3nko/RIOT,Yonezawa-T2/RIOT,FrancescoErmini/RIOT,jbeyerstedt/RIOT-OTA-update,dkm/RIOT,ks156/RIOT,backenklee/RIOT,neumodisch/RIOT,kYc0o/RIOT,stevenj/RIOT,LudwigOrtmann/RIOT,lazytech-org/RIOT,Ell-i/RIOT,rousselk/RIOT,kYc0o/RIOT,brettswann/RIOT,mfrey/RIOT,MohmadAyman/RIOT,OTAkeys/RIOT,jbeyerstedt/RIOT-OTA-update,shady33/RIOT,binarylemon/RIOT,ant9000/RIOT,kb2ma/RIOT,mziegert/RIOT,roberthartung/RIOT,dkm/RIOT,jremmert-phytec-iot/RIOT,Hyungsin/RIOT-OS,d00616/RIOT,lazytech-org/RIOT,neumodisch/RIOT,rfuentess/RIOT,hamilton-mote/RIOT-OS,OTAkeys/RIOT,ks156/RIOT,thomaseichinger/RIOT,hamilton-mote/RIOT-OS,rakendrathapa/RIOT,ant9000/RIOT,l3nko/RIOT,RIOT-OS/RIOT,x3ro/RIOT,mziegert/RIOT,adrianghc/RIOT,jbeyerstedt/RIOT-OTA-update,Yonezawa-T2/RIOT,rousselk/RIOT,authmillenon/RIOT,gautric/RIOT,mtausig/RIOT,attdona/RIOT,lazytech-org/RIOT,TobiasFredersdorf/RIOT,mziegert/RIOT,beurdouche/RIOT,kbumsik/RIOT,yogo1212/RIOT,aeneby/RIOT,d00616/RIOT,Hyungsin/RIOT-OS,ant9000/RIOT,mfrey/RIOT,RIOT-OS/RIOT,gautric/RIOT,Josar/RIOT,rousselk/RIOT,basilfx/RIOT,hamilton-mote/RIOT-OS,adrianghc/RIOT,lazytech-org/RIOT,OlegHahm/RIOT,Ell-i/RIOT,malosek/RIOT,mtausig/RIOT,josephnoir/RIOT,roberthartung/RIOT,yogo1212/RIOT,alignan/RIOT,immesys/RiSyn,malosek/RIOT,zhuoshuguo/RIOT,rakendrathapa/RIOT,katezilla/RIOT,toonst/RIOT,FrancescoErmini/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,immesys/RiSyn,shady33/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,adrianghc/RIOT,RIOT-OS/RIOT,kerneltask/RIOT,rousselk/RIOT,lebrush/RIOT,rakendrathapa/RIOT,authmillenon/RIOT,mziegert/RIOT,kaleb-himes/RIOT,rajma996/RIOT,x3ro/RIOT,RBartz/RIOT,kaleb-himes/RIOT,tfar/RIOT,zhuoshuguo/RIOT,mziegert/RIOT,cladmi/RIOT,rousselk/RIOT,basilfx/RIOT,malosek/RIOT,dailab/RIOT,adjih/RIOT,MohmadAyman/RIOT,RBartz/RIOT,miri64/RIOT,rajma996/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,A-Paul/RIOT,RBartz/RIOT,jfischer-phytec-iot/RIOT,alignan/RIOT,jremmert-phytec-iot/RIOT,miri64/RIOT,Josar/RIOT,rajma996/RIOT,attdona/RIOT,Hyungsin/RIOT-OS,kYc0o/RIOT,jfischer-phytec-iot/RIOT,Josar/RIOT,binarylemon/RIOT,biboc/RIOT,MohmadAyman/RIOT,Ell-i/RIOT,beurdouche/RIOT,katezilla/RIOT,tfar/RIOT,cladmi/RIOT,gebart/RIOT,shady33/RIOT,OTAkeys/RIOT,altairpearl/RIOT,brettswann/RIOT,Ell-i/RIOT,RBartz/RIOT,neumodisch/RIOT,wentaoshang/RIOT,Hyungsin/RIOT-OS,A-Paul/RIOT,miri64/RIOT,FrancescoErmini/RIOT,x3ro/RIOT,jasonatran/RIOT,altairpearl/RIOT,plushvoxel/RIOT,d00616/RIOT,Yonezawa-T2/RIOT,Josar/RIOT,avmelnikoff/RIOT,RubikonAlpha/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,TobiasFredersdorf/RIOT,jasonatran/RIOT,l3nko/RIOT,asanka-code/RIOT,hamilton-mote/RIOT-OS,kaspar030/RIOT,lebrush/RIOT,asanka-code/RIOT,kaleb-himes/RIOT,jasonatran/RIOT,dailab/RIOT,wentaoshang/RIOT,kbumsik/RIOT,josephnoir/RIOT,backenklee/RIOT,RubikonAlpha/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,LudwigOrtmann/RIOT,stevenj/RIOT,lebrush/RIOT,jbeyerstedt/RIOT-OTA-update,adrianghc/RIOT,biboc/RIOT,asanka-code/RIOT,aeneby/RIOT,RubikonAlpha/RIOT,gautric/RIOT,josephnoir/RIOT,aeneby/RIOT,avmelnikoff/RIOT,LudwigOrtmann/RIOT,kaspar030/RIOT,backenklee/RIOT,jasonatran/RIOT,jremmert-phytec-iot/RIOT,adrianghc/RIOT,jbeyerstedt/RIOT-OTA-update,thomaseichinger/RIOT,dkm/RIOT,adjih/RIOT,l3nko/RIOT,wentaoshang/RIOT,wentaoshang/RIOT,binarylemon/RIOT,lebrush/RIOT,RubikonAlpha/RIOT,Hyungsin/RIOT-OS,cladmi/RIOT,TobiasFredersdorf/RIOT,A-Paul/RIOT,smlng/RIOT,adjih/RIOT,brettswann/RIOT,attdona/RIOT,miri64/RIOT,yogo1212/RIOT,rakendrathapa/RIOT,LudwigOrtmann/RIOT,syin2/RIOT,alignan/RIOT,Yonezawa-T2/RIOT,miri64/RIOT,plushvoxel/RIOT,binarylemon/RIOT,neumodisch/RIOT,LudwigKnuepfer/RIOT,smlng/RIOT,syin2/RIOT,d00616/RIOT,zhuoshuguo/RIOT,OlegHahm/RIOT,backenklee/RIOT,gebart/RIOT,mfrey/RIOT,kerneltask/RIOT,aeneby/RIOT,FrancescoErmini/RIOT,dkm/RIOT,A-Paul/RIOT,shady33/RIOT,l3nko/RIOT,A-Paul/RIOT,stevenj/RIOT,neiljay/RIOT,LudwigKnuepfer/RIOT,RIOT-OS/RIOT,basilfx/RIOT,thomaseichinger/RIOT,brettswann/RIOT,malosek/RIOT,kerneltask/RIOT,zhuoshuguo/RIOT,rakendrathapa/RIOT,LudwigKnuepfer/RIOT,rfuentess/RIOT,wentaoshang/RIOT,LudwigKnuepfer/RIOT,RubikonAlpha/RIOT,immesys/RiSyn,mtausig/RIOT,RIOT-OS/RIOT,LudwigOrtmann/RIOT,plushvoxel/RIOT,d00616/RIOT,smlng/RIOT,rfuentess/RIOT,adjih/RIOT,jfischer-phytec-iot/RIOT,lebrush/RIOT,rakendrathapa/RIOT,neiljay/RIOT,attdona/RIOT,rajma996/RIOT,mtausig/RIOT,asanka-code/RIOT,kb2ma/RIOT,kaleb-himes/RIOT,neiljay/RIOT,Ell-i/RIOT,stevenj/RIOT,RBartz/RIOT,avmelnikoff/RIOT,FrancescoErmini/RIOT,OlegHahm/RIOT,lazytech-org/RIOT,smlng/RIOT,asanka-code/RIOT,kerneltask/RIOT,biboc/RIOT,mfrey/RIOT,toonst/RIOT,aeneby/RIOT,brettswann/RIOT,lebrush/RIOT,TobiasFredersdorf/RIOT,yogo1212/RIOT,malosek/RIOT,dailab/RIOT,shady33/RIOT,authmillenon/RIOT,syin2/RIOT,FrancescoErmini/RIOT,Josar/RIOT