[DOC] Add supporter information
[DOC] Add supporter information

FreifunkBremen/meshviewer-ffrgb,Freifunk-Troisdorf/meshviewer,xf-/meshviewer-1,hopglass/ffrgb-meshviewer,rubo77/meshviewer-1,rubo77/meshviewer-1,xf-/meshviewer-1,Freifunk-Rhein-Neckar/meshviewer,Freifunk-Rhein-Neckar/meshviewer,Freifunk-Troisdorf/meshviewer,freifunkMUC/meshviewer,hopglass/ffrgb-meshviewer,FreifunkBremen/meshviewer-ffrgb,freifunkMUC/meshviewer,Freifunk-Rhein-Neckar/meshviewer,ffrgb/meshviewer,FreifunkMD/Meshviewer,ffrgb/meshviewer,FreifunkMD/Meshviewer