add entry to CHANGELOG

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ### Features
 
+ - [1611](https://github.com/poanetwork/blockscout/pull/1611) - allow setting the first indexing block
+
 ### Fixes
 
 ### Chore
@@ -85,4 +87,4 @@
 ### Chore
  - [https://github.com/poanetwork/blockscout/pull/1532](https://github.com/poanetwork/blockscout/pull/1532) - Upgrade elixir to 1.8.1
  - [https://github.com/poanetwork/blockscout/pull/1553](https://github.com/poanetwork/blockscout/pull/1553) - Dockerfile: remove 1.7.1 version pin FROM bitwalker/alpine-elixir-phoenix
- - [https://github.com/poanetwork/blockscout/pull/1465](https://github.com/poanetwork/blockscout/pull/1465) - Resolve lodash security alert
+ - [https://github.com/poanetwork/blockscout/pull/1465](https://github.com/poanetwork/blockscout/pull/1465) - Resolve lodash security alert