Create Extensions.md for community modifications
Create Extensions.md for community modifications

The idea would be that people can contribute cool modifications or extensions to
the Pepperoni framework in the form of how-to guides, therefore not impacting the
core blueprint, but providing good instructions easily extend it.
AcademyPgh/Y1S2-ReplayFX-Schedule,mandlamag/ESXApp,keyifadami/CrewCrossCheck,Florenz23/sangoo_04,mandlamag/ESXApp,Florenz23/sangoo_04,keyifadami/CrewCrossCheck,yogakurniawan/phoney-mobile,fabriziomoscon/pepperoni-app-kit,fabriziomoscon/pepperoni-app-kit,AcademyPgh/Y1S2-ReplayFX-Schedule,BrianJVarley/simple-offset-pro,WWCJSBoulder/DWClient,AcademyPgh/Y1S2-ReplayFX-Schedule,AcademyPgh/Y1S2-ReplayFX-Schedule,justinhaaheim/empower-app,keyifadami/CrewCrossCheck,justinhaaheim/empower-app,WWCJSBoulder/DWClient,dominictracey/hangboard,dominictracey/hangboard,chriswohlfarth/mojifi-app,yogakurniawan/phoney-mobile,BrianJVarley/simple-offset-pro,mandlamag/ESXApp,Florenz23/sangoo_04,salokas/barcodebar,yogakurniawan/phoney-mobile,fabriziomoscon/pepperoni-app-kit,justinhaaheim/empower-app,mandlamag/ESXApp,keyifadami/CrewCrossCheck,fabriziomoscon/pepperoni-app-kit,chriswohlfarth/mojifi-app,mandlamag/ESXApp,justinhaaheim/empower-app,fabriziomoscon/pepperoni-app-kit,BrianJVarley/simple-offset-pro,dominictracey/hangboard,WWCJSBoulder/DWClient,chriswohlfarth/mojifi-app,keyifadami/CrewCrossCheck,justinhaaheim/empower-app,salokas/barcodebar,WWCJSBoulder/DWClient,BrianJVarley/simple-offset-pro,dominictracey/hangboard,dominictracey/hangboard,yogakurniawan/phoney-mobile,AcademyPgh/Y1S2-ReplayFX-Schedule,salokas/barcodebar,chriswohlfarth/mojifi-app,chriswohlfarth/mojifi-app,Florenz23/sangoo_04,salokas/barcodebar