copy blitzjs example from vercel/vercel (#1002)

Author: erikareads

framework-boilerplates/blitzjs/.babelrc.js

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+module.exports = {
+  presets: ["next/babel"],
+  plugins: [],
+}

framework-boilerplates/blitzjs/.eslintrc.js

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+module.exports = {
+  extends: ["react-app", "plugin:jsx-a11y/recommended"],
+  plugins: ["jsx-a11y"],
+  rules: {
+    "import/no-anonymous-default-export": "error",
+    "import/no-webpack-loader-syntax": "off",
+    "react/react-in-jsx-scope": "off", // React is always in scope with Blitz
+    "jsx-a11y/anchor-is-valid": "off", //Doesn't play well with Blitz/Next <Link> usage
+  },
+}

framework-boilerplates/blitzjs/.gitignore

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+# dependencies
+node_modules
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.pnp.*
+.npm
+web_modules/
+
+# blitz
+/.blitz/
+/.next/
+*.sqlite
+.now
+.vercel
+.blitz-console-history
+blitz-log.log
+
+# misc
+.DS_Store
+
+# local env files
+.env
+.envrc
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Testing
+coverage
+*.lcov
+.nyc_output
+lib-cov
+
+# Caches
+*.tsbuildinfo
+.eslintcache
+.node_repl_history
+.yarn-integrity
+
+# Serverless directories
+.serverless/
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test

framework-boilerplates/blitzjs/.npmrc

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+save-exact=true

framework-boilerplates/blitzjs/.prettierignore

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+.gitkeep
+.env
+*.ico
+*.lock
+db/migrations
+

framework-boilerplates/blitzjs/README.md

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+# Blitz.js
+
+This directory is a brief example of a [Blitz.js](https://blitzjs.com/) project that can be deployed to Vercel with zero configuration.
+
+## Deploy Your Own
+
+Deploy your own Blitz.js project with Vercel by viewing the [documentation on deploying to Vercel](https://blitzjs.com/docs/deploy-vercel)
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/vercel/examples/tree/main/framework-boilerplates/blitzjs&template=blitzjs)
+
+_Live Example: https://blitz-template.vercel.app_
+
+### How We Created This Example
+
+To get started with Blitz.js, you can use [npx](https://www.npmjs.com/package/npx) to initialize the project:
+
+```shell
+$ npx blitz new
+```

framework-boilerplates/blitzjs/app/components/.keep

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+import React from "react"
+
+export default class ErrorBoundary extends React.Component<{
+  fallback: (error: any) => React.ReactNode
+}> {
+  state = { hasError: false, error: null }
+
+  static getDerivedStateFromError(error: any) {
+    return {
+      hasError: true,
+      error,
+    }
+  }
+
+  render() {
+    if (this.state.hasError) {
+      return this.props.fallback(this.state.error)
+    }
+    return this.props.children
+  }
+}

framework-boilerplates/blitzjs/app/components/ErrorBoundary.tsx

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+import { AppProps } from "blitz"
+
+export default function MyApp({ Component, pageProps }: AppProps) {
+  return <Component {...pageProps} />
+}