chore: changelog entry

Signed-off-by: exploreriii <133720349+exploreriii@users.noreply.github.com>

Author: exploreriii

CHANGELOG.md

@@ -8,6 +8,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 
 ### Added
 
+- Added docs/sdk_developers/training/setup: a training to set up as a developer to the python sdk
 - Add example demonstrating usage of `CustomFeeLimit` in `examples/transaction/custom_fee_limit.py`
 - Added `.github/workflows/merge-conflict-bot.yml` to automatically detect and notify users of merge conflicts in Pull Requests.
 - Added validation logic in `.github/workflows/pr-checks.yml` to detect when no new chnagelog entries are added under [Unreleased]