report-generator: Update README + council changelog

contributions/tech/report-generator/README.md

@@ -1,4 +1,4 @@
-# Tokenomics Report Generator
+# Council + Tokenomics Report Generator
 
 This scripts collects some information from Joystream chain. \
 It was created to allow the council to generate a report in the finish of the council round. \

contributions/tech/report-generator/templates/council.md

@@ -117,6 +117,7 @@ Council obligations are payments or items that carry through council sessions. T
 ## 5 - Report changelog
 - [October, November 2021](https://github.com/Joystream/community-repo/pull/428)
     - proposals refactor, show amount for spending proposals
+    - merge council report script into tokenomics generator ([PR #485](https://github.com/Joystream/community-repo/pull/485))
 
 - 04.11.2020
     - added working group review section