Goal 3: Enhancements & minor issues

[cedoor]

• [x] #87
• [x] #90
• [x] Update Interep subgraph
• [x] Update docs configuration files
• [x] Add check for tree depth on contract functions to create/add groups
• [x] Update Merkle proof parameter names
• [x] Integrate Interep subgraph in @interep/api package for onchain groups
• [x] Create new Interep @interep/proof package
• [x] Update js monorepo configuration files
• [x] Disable feature for leaving groups
• [x] Add not_sufficient group for staging & dev envs only
• [x] New APIs
• [x] #109
• [ ] #106
• [ ] Define right interval for updating offchain roots on contracts
• [ ] Update reputation criteria
• [ ] Production deploy

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- Estimated time (days): 3 - Actual time (days):