Feature/social graph

[ZhongFuze]

feature: #133

Feature

1. More adaptable to various situations RelationResult return
   Including but not limited to social_data, poap, token_transfer, NFT in commons

2. Added count field for auxiliary paging

3. Added limit and offset fields for paging function, sorting in reverse order according to hyper vertex degree

4. Optimized the return result, giving priority to relationships of mutual follow in onchain data.

query {
  relation(platform: "lens", identity: "sujiyan.lens") {
    identityGraph {
      graphId
    }
    follow(hop: 1, limit: 200, offset: 0) {
      count
      relation {
        edgeType     // follower, following, (poap, nft_in_common, send/received tokens in comming)
        tag                // "", "mutual_follow", (poap, nft_in_common, token_transfer in comming)
        dataSource  // lens, farcaster, keybase
        source          // follow edge's source identity_graph_id
        target           // follow edge's target identity_graph_id
        sourceDegree // identity_graph_id degree (int)
        targetDegree  // identity_graph_id degree (int)
        originalSource {  // IdentityRecord
          id
          uuid
          identity
          platform
          displayName
          uid
        }
        originalTarget { // IdentityRecord
          id
          uuid
          identity
          platform
          displayName
          uid
        }
      }
    }
  }
}