Fix .gitignore: replace nonsense text with valid ignore patterns

.gitignore

@@ -1,59 +1,52 @@
-```
-# Compiled and build artifacts
+# Compiled and binary files
 *.pyc
-__pycache__/
+*.class
+*.o
+*.exe
+*.dll
+*.so
+*.a
+*.obj
+*.out
 
 # Dependencies
 node_modules/
 venv/
 .venv/
-.env
-.env.local
-.env.*
-
-# Logs and temp files
-*.log
-*.tmp
-*.swp
-
-# Editors
-.vscode/
-.idea/
-
-# Coverage reports
-coverage/
-htmlcov/
-.coverage
-
-# Distribution artifacts
+__pycache__/
 dist/
 build/
 target/
-*.egg-info/
-
-# Python specific
-*.pyc
-*.pyo
-*.pyd
-.Python
-*.so
-*.egg
-
-# MyPy cache
+.gradle/
 .mypy_cache/
-.dmypy.json
-dmypy.json
-
-# Pytest cache
 .pytest_cache/
 
-# Gradle
-.gradle/
+# Editor/IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*.tmp
 
-# System files
+# System/Environment files
 .DS_Store
 Thumbs.db
-```
+.env
+.env.local
+*.env.*
+
+# Logs and coverage
+*.log
+coverage/
+htmlcov/
+.coverage
 
-# Hero: local browser-render output (regenerate with: node design/shot.mjs)
-design/previews/live/
+# Compressed files
+*.zip
+*.gz
+*.tar
+*.tgz
+*.bz2
+*.xz
+*.7z
+*.rar