Added handler for manifest.json
Added handler for manifest.json

samdutton/apprtc,bpyoung92/apprtc,todotobe1/apprtc,YouthAndra/apprtc,samdutton/apprtc,shelsonjava/apprtc,bpyoung92/apprtc,YouthAndra/apprtc,samdutton/apprtc,JiYou/apprtc,jiayliu/apprtc,YouthAndra/apprtc,TheKnarf/apprtc,mvenkatesh431/apprtc,shelsonjava/apprtc,shelsonjava/apprtc,todotobe1/apprtc,virajs/apprtc,TheKnarf/apprtc,bpyoung92/apprtc,mvenkatesh431/apprtc,JiYou/apprtc,bpyoung92/apprtc,82488059/apprtc,82488059/apprtc,TheKnarf/apprtc,procandi/apprtc,TheKnarf/apprtc,procandi/apprtc,JiYou/apprtc,jiayliu/apprtc,virajs/apprtc,virajs/apprtc,procandi/apprtc,webrtc/apprtc,jiayliu/apprtc,arnauorriols/apprtc,jiayliu/apprtc,bpyoung92/apprtc,todotobe1/apprtc,arnauorriols/apprtc,arnauorriols/apprtc,webrtc/apprtc,JiYou/apprtc,todotobe1/apprtc,arnauorriols/apprtc,82488059/apprtc,82488059/apprtc,mvenkatesh431/apprtc,shelsonjava/apprtc,webrtc/apprtc,webrtc/apprtc,YouthAndra/apprtc,YouthAndra/apprtc,procandi/apprtc,webrtc/apprtc,virajs/apprtc,mvenkatesh431/apprtc,TheKnarf/apprtc,shelsonjava/apprtc,procandi/apprtc,virajs/apprtc,82488059/apprtc,mvenkatesh431/apprtc,JiYou/apprtc,samdutton/apprtc,arnauorriols/apprtc,jiayliu/apprtc,todotobe1/apprtc,samdutton/apprtc