[FEATURE] Deploy Indexer for forum.potlock.near

[codingshot]

Is your feature request related to a problem? Please describe.
Need to properly index all proposals coming in
Describe the solution you'd like
Query api enabled queries for forum.potlock.near (devhub fork)

• query proposals
• query comments and responses by proposal
• query by submitted
  Describe alternatives you've considered
• could create own indexer
  Additional context
• need to make sure testnet

[Megha-Dev-19]

Indexer: https://cloud.hasura.io/public/graphiql?endpoint=https://near-queryapi.api.pagoda.co/v1/graphql&header=x-hasura-role%3Abos_forum_potlock_near
Contract: https://github.com/PotLock/aipgf