Added TOC to contributing guidelies
Added TOC to contributing guidelies

longloop/DrupalConsole,frega/DrupalConsole,longloop/DrupalConsole,revagomes/DrupalConsole,reszli/DrupalConsole,Cottser/DrupalConsole,karmazzin/DrupalConsole,longloop/DrupalConsole,alxvallejo/DrupalConsole,reszli/DrupalConsole,AniRai/DrupalConsole,revagomes/DrupalConsole,reszli/DrupalConsole,dkgndec/DrupalConsole,frega/DrupalConsole,alxvallejo/DrupalConsole,Cottser/DrupalConsole,frega/DrupalConsole,revagomes/DrupalConsole,dkgndec/DrupalConsole,Cottser/DrupalConsole,karmazzin/DrupalConsole,AniRai/DrupalConsole,alxvallejo/DrupalConsole,dkgndec/DrupalConsole,karmazzin/DrupalConsole,AniRai/DrupalConsole