chore(vscode): centralise formatting code

[ci skip]

Author: benfdking

.prettierignore

@@ -0,0 +1,38 @@
+web/client/**/*.py
+web/client/.prettierignore
+web/client/.gitignore
+web/client/node_modules/
+web/client/test-results/
+web/client/playwright-report/
+web/client/playwright/.cache/
+web/client/dist
+web/client/public/favicons/
+web/client/public/fonts/
+web/client/src/styles/fonts/
+web/client/src/assets/fonts/
+web/client/tsconfig.tsbuildinfo
+
+node_modules/
+vscode/extension/node_modules/
+vscode/extension/dist
+vscode/extension/out
+vscode/extension/tsconfig.tsbuildinfo
+vscode/extension/.vscode-test/
+
+sqlmesh
+docs
+tests
+examples
+posts
+.circleci
+README.md
+mkdocs.yml
+.readthedocs.yaml
+.pre-commit-config.yaml
+package-lock.json
+*.md
+.ruff_cache
+.pytest_cache
+.venv
+.vscode
+build