chore(git): update .gitignore file

- Remove unshackle.yaml from ignore list
- Delete 'services/' directory from ignore list
- Add 'Cache' to ignore list at the end of the file

.gitignore

@@ -1,5 +1,4 @@
 # unshackle
-unshackle.yaml
 unshackle.yml
 update_check.json
 *.mkv
@@ -25,7 +24,6 @@ unshackle/certs/
 unshackle/WVDs/
 unshackle/PRDs/
 temp/
-services/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
@@ -235,3 +233,4 @@ cython_debug/
 marimo/_static/
 marimo/_lsp/
 __marimo__/
+Cache