v0.8.4

Fixes

This version fixed some error and optimized database operations

• Fix: ENTITIES_TOO_LONG error: e216827
• Fix: lower db pressure: 4c7c93b
• Chore: node>=12.13 prepare for esm: eae53b3
• Update Docker node version: 554006f
• Fix: where using feed_id: 61a3252
• Fix: lower db pressure and make use of type: bda982d
• Fix: add users user_id unique index: b95a9b0
• Fix: alertTable: fc242fe