[doc] update changelog

CHANGELOG.md

@@ -1,35 +1,48 @@
 # Changelog
 
-## v1.2 (2023/11/16)
+## v1.2 (2023/12/6)
 
-#### Enhancements
+### Enhancements
 
-- Home Site : upgrade CMS to [Docusaurus v3](https://docusaurus.io/blog/releases/3.0)
-- DSP Site : serve attestation file version2 on privacy-sandbox-demos-dsp.dev
-- SSP Site : serve attestation file version2 on privacy-sandbox-demos-ssp.dev
-- CI/CD : Cloud Build copies the attestation files from cicd/attestations to dsp/ssp services for the target environment
-- Update deployment documentation with instructions related to enrollment and attestation
-- Use Case : Single-touch conversion Attribution. Move attribution code from SSP to DSP and update documentation
-- Tools : Add [Aggregatable Report Converter](https://github.com/privacysandbox/privacy-sandbox-demos/tree/main/tools/aggregatable_report_converter)
-  to the tooling codebase. This tool helps developers to create debug aggregatable reports that can be used for Local Testing and AWS Aggregation
-  Service testing.
 - GitHub documentation : Add a changelog
-
-#### Bug Fixes
+- Home Site : upgrade CMS to [Docusaurus v3](https://docusaurus.io/blog/releases/3.0)
+- Enrollment and Attestation :
+  - DSP Site : serve attestation file version2 on privacy-sandbox-demos-dsp.dev
+  - SSP Site : serve attestation file version2 on privacy-sandbox-demos-ssp.dev
+  - CI/CD : Cloud Build copies the attestation files from cicd/attestations to dsp/ssp services for the target environment
+  - Update deployment documentation with instructions related to enrollment and attestation
+- Demos
+  - Use Case : Single-touch conversion Attribution. Move attribution code from SSP to DSP and update documentation
+- Tools :
+
+  - Add [Aggregatable Report Converter](https://github.com/privacysandbox/privacy-sandbox-demos/tree/main/tools/aggregatable_report_converter) to the
+    tooling codebase. This tool helps developers to create debug aggregatable reports that can be used for Local Testing and AWS Aggregation Service
+    testing.
+
+- CI/CD Linting and Reformating code base on commit/PR
+  - pre-commit.ci won't fix automatically but only raise a warning when submitting PR
+  - prettier will now wrap markdown file where line length exceeds 150 chars
+  - markdownlint will ignore line length on tables, ordered list validation, and html tags included for docusaurus layout.
+
+### Bug Fixes
+
+- #76
+- #77
+- #178
 
 ---
 
 ## v1.1 (2023/10/13)
 
-#### Enhancements
+### Enhancements
 
 - Shop site : refactor service using expressJS (from nextJS)
 - Shop site : fix issue with Firebase filtering session cookies
 - DSP Site : attestation file is served from privacy-sandbox-demos-dsp.dev
 - Use Case : remarketing. Move `renderURL` from the SSP codebase to the DSP codebase.
 - Use Case : VAST Video Protected Audience. Release v1.
 
-#### Bug Fixes
+### Bug Fixes
 
 - Use Case : Single-touch conversion Attribution. Fix registering attribution sources ("Attribution-Reporting-Eligible" is a Dictionary Structured
   Header and thus need to be decoded accordingly)