feat: add Dockerfile and docker-compose for dev env

.codecov 2.yml

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+codecov:
+  require_ci_to_pass: false
+
+comment: false
+
+coverage:
+  status:
+    patch:
+      default:
+        target: auto
+    project:
+      default:
+        target: auto

.dockerignore

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+node_modules
+.git
+.cache

.editorconfig 2

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+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+#
+# Some of these options are also respected by Prettier
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{md,snap}]
+trim_trailing_whitespace = false

.gitattributes 2

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+* text=auto eol=lf

.gitignore 2

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+.idea
+.DS_STORE
+.eslintcache
+*.swp
+*~
+/examples/*/node_modules/
+
+/e2e/*/node_modules
+/e2e/*/.pnp
+/e2e/*/.pnp.js
+!/e2e/presets/json/node_modules
+!/e2e/presets/js/node_modules
+/e2e/transform/*/coverage
+/e2e/transform/*/node_modules
+
+/node_modules
+
+/packages/*/build/
+/packages/*/dist/
+/packages/*/coverage/
+/packages/*/node_modules/
+
+/website/.docusaurus
+/website/.cache-loader
+/website/build
+/website/backers.json
+/website/node_modules
+/website/yarn.lock
+/website/i18n/*
+
+/benchmarks/*/node_modules/
+
+/reports/*
+
+coverage
+lerna-debug.log
+npm-debug.log
+npm-debug.log*
+yarn-error.log*
+junit.xml
+package-lock.json
+
+*.tsbuildinfo
+api-extractor.json
+
+# https://yarnpkg.com/getting-started/qa#which-files-should-be-gitignored but nested for e2e directories
+**/.yarn/*
+!**/.yarn/patches
+!**/.yarn/releases
+!**/.yarn/plugins
+!**/.yarn/sdks
+!**/.yarn/versions
+**/.pnp.*
+
+crowdin-cli.jar
+
+# We don't want these temp files
+packages/jest-worker/src/workers/__tests__/__temp__

.gitpod 2.yml

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+# Commands to start on workspace startup. See https://www.gitpod.io/docs/config-gitpod-file
+tasks:
+  - init: yarn install && yarn run build
+    command: yarn run watch

.prettierignore 2

@@ -0,0 +1,26 @@
+.idea
+.DS_STORE
+.eslintcache
+*.swp
+*~
+api-extractor.json
+coverage
+
+/packages/*/build
+/packages/*/dist
+/packages/jest-config/src/__tests__/jest-preset.json
+/packages/pretty-format/__benchmarks__/world.geo.json
+
+# Breaks tests
+/e2e/coverage-handlebars/greet.hbs
+
+# Third-party script
+packages/jest-diff/src/cleanupSemantic.ts
+
+/website/.docusaurus
+/website/backers.json
+/website/build
+/website/versions.json
+
+**/.yarn
+**/.pnp.*

CODE_OF_CONDUCT 2.md

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+# Code of Conduct
+
+Jest is an OpenJS Foundation project and subscribes to its code of conduct.
+
+It is available at https://code-of-conduct.openjsf.org/.