Update README and COMMUNITY.md for v1 (#11747)

Co-authored-by: openhands <openhands@all-hands.dev>

openhands-cli/dev_config/python/.pre-commit-config.yaml

@@ -0,0 +1,56 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+        exclude: ^(docs/|modules/|python/|openhands-ui/|third_party/|enterprise/|openhands-cli/)
+      - id: end-of-file-fixer
+        exclude: ^(docs/|modules/|python/|openhands-ui/|third_party/|enterprise/|openhands-cli/)
+      - id: check-yaml
+        args: ["--allow-multiple-documents"]
+      - id: debug-statements
+
+  - repo: https://github.com/tox-dev/pyproject-fmt
+    rev: v2.5.1
+    hooks:
+      - id: pyproject-fmt
+  - repo: https://github.com/abravalheri/validate-pyproject
+    rev: v0.24.1
+    hooks:
+      - id: validate-pyproject
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    # Ruff version.
+    rev: v0.11.8
+    hooks:
+      # Run the linter.
+      - id: ruff
+        entry: ruff check --config dev_config/python/ruff.toml
+        types_or: [python, pyi, jupyter]
+        args: [--fix, --unsafe-fixes]
+        exclude: ^(third_party/|enterprise/|openhands-cli/)
+      # Run the formatter.
+      - id: ruff-format
+        entry: ruff format --config dev_config/python/ruff.toml
+        types_or: [python, pyi, jupyter]
+        exclude: ^(third_party/|enterprise/|openhands-cli/)
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.15.0
+    hooks:
+      - id: mypy
+        additional_dependencies:
+          [
+            types-requests,
+            types-setuptools,
+            types-pyyaml,
+            types-toml,
+            types-docker,
+            types-Markdown,
+            pydantic,
+            lxml,
+          ]
+        # To see gaps add `--html-report mypy-report/`
+        entry: mypy --config-file dev_config/python/mypy.ini openhands/
+        always_run: true
+        pass_filenames: false