Add .gitignore templates to extension language scaffolding (#6232)

* Initial plan

* Add language-specific .gitignore files to extension templates

Co-authored-by: wbreza <6540159+wbreza@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wbreza <6540159+wbreza@users.noreply.github.com>

Author: Copilot

cli/azd/.vscode/cspell.yaml

@@ -237,6 +237,12 @@ overrides:
   - filename: pkg/project/service_target_dotnet_containerapp.go
     words:
       - IMAGENAME
+  - filename: extensions/microsoft.azd.extensions/internal/resources/languages/**/.gitignore
+    words:
+      - rsuser
+      - userosscache
+      - docstates
+      - dylib
 ignorePaths:
   - "**/*_test.go"
   - "**/mock*.go"

cli/azd/extensions/microsoft.azd.extensions/internal/resources/languages/dotnet/.gitignore

@@ -0,0 +1,26 @@
+# Build output directories
+bin/
+obj/
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio
+.vs/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# env file
+.env

cli/azd/extensions/microsoft.azd.extensions/internal/resources/languages/go/.gitignore

@@ -1,6 +1,9 @@
 # If you prefer the allow list template instead of the deny list, see community template:
 # https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
 #
+# Build output directory
+bin/
+
 # Binaries for programs and plugins
 *.exe
 *.exe~

cli/azd/extensions/microsoft.azd.extensions/internal/resources/languages/javascript/.gitignore

@@ -0,0 +1,24 @@
+# Build output directory
+bin/
+
+# Generated protobuf files
+generated/
+
+# Node modules
+node_modules/
+
+# npm package lock file (uncomment if you want to ignore it)
+# package-lock.json
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# env file
+.env

cli/azd/extensions/microsoft.azd.extensions/internal/resources/languages/python/.gitignore

@@ -0,0 +1,34 @@
+# Build output directory
+bin/
+
+# PyInstaller build artifacts
+build/
+dist/
+*.spec
+
+# Generated protobuf files
+generated_proto/
+
+# Python bytecode
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environments
+.venv/
+venv/
+ENV/
+env/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# env file
+.env