[PR #11328/18c362ee backport][stable-12] add devcontainer+pre-commit (#11338)

add devcontainer+pre-commit (#11328)

* add devcontainer support

* chore(devcontainer): install test requirements

* chore: add pre-commit

* fix format of pre-commit config file

* add licenses for the new files

* Apply suggestions from code review

* move requirements-dev.txt to inside .devcontainer

* specify files for ruff

* update CONTRIBUTING.md

* chore(devcontainer): use standard image, no docker build

* docs: format CONTRIBUTING.md (automatic by IDE)

* Update .devcontainer/devcontainer.json

* remove extraneous edits in CONTRIBUTING.md

(cherry picked from commit 18c362eef4)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

.devcontainer/devcontainer.json

@@ -0,0 +1,34 @@
+{
+  "name": "community.general devcontainer",
+  "image": "mcr.microsoft.com/devcontainers/python:3.14-bookworm",
+  "features": {
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {}
+  },
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "terminal.integrated.shell.linux": "/bin/bash",
+        "python.pythonPath": "/usr/local/bin/python",
+        "editor.defaultFormatter": "charliermarsh.ruff",
+        "editor.formatOnSave": true,
+        "files.autoSave": "afterDelay",
+        "files.eol": "\n",
+        "files.insertFinalNewline": true,
+        "files.trimFinalNewlines": true,
+        "files.trimTrailingWhitespace": true
+      },
+      "extensions": [
+        "charliermarsh.ruff",
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "redhat.ansible",
+        "redhat.vscode-yaml",
+        "trond-snekvik.simple-rst",
+      ]
+    }
+  },
+  "remoteUser": "vscode",
+  "postCreateCommand": ".devcontainer/setup.sh",
+  "workspaceFolder": "/workspace/ansible_collections/community/general",
+  "workspaceMount": "source=${localWorkspaceFolder},target=/workspace/ansible_collections/community/general,type=bind"
+}