chore(.gitignore): ignoring .augment and .github/instructions

The LLM-coding-agent instructions are organization-wide material so they can be found in the appropriate git repo.

Author: LittleCoinCoin

.gitignore

@@ -1,5 +1,7 @@
 # For this project
 envs/
+.augment/
+.github/instructions/
 
 # vvvvvvv  Default Python Ignore vvvvvvvv
 # Byte-compiled / optimized / DLL files