Add initial files

Author: anthonyec

.devs.vars.example

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+CLIENT_ID=XXXXX
+CLIENT_SECRET=XXXX
+
+PLUGIN_URI=https://localhost:5174
+REDIRECT_URI=http://localhost:8787/redirect
+
+AUTHORIZE_ENDPOINT=https://accounts.google.com/o/oauth2/v2/auth
+TOKEN_ENDPOINT=https://oauth2.googleapis.com/token
+
+SCOPE=https://www.googleapis.com/auth/userinfo.profile

.github/workflows/deploy.yml

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+name: Deploy Worker
+on:
+  push:
+  pull_request:
+  repository_dispatch:
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    needs: test
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build & Deploy Worker
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CF_API_TOKEN }}
+          accountId: ${{ secrets.CF_ACCOUNT_ID }}

.gitignore

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+# dependencies
+node_modules/
+.pnp
+.pnp.js
+.yarn
+
+# misc
+.DS_Store
+*.pem
+.wrangler/
+
+# files
+my-plugin
+dev-plugin
+dist
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env*.local
+.dev.vars

README.md

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+# OAuth Backend for Framer Plugins
+
+This is an example CloudFlare Worker that proxies OAuth 2.0 login requests and handles token communication with a Framer plugin.
+
+[![Deploy to Cloudflare Workers](https://deploy.workers.cloudflare.com/button)](https://deploy.workers.cloudflare.com/?url=https://github.com/framer/plugin-oauth)
+
+## Setup
+
+### Environment variables
+
+The following environment variables need to be added via the CloudFlare console or CLI.
+
+| Name               | Details                                                                                                                 |
+| ------------------ | ----------------------------------------------------------------------------------------------------------------------- |
+| CLIENT_ID          | App ID created in the providers developer console                                                                       |
+| CLIENT_SECRET      | App secret key created in the providers developer console. **Do not expose** in source code or send back to the client! |
+| PLUGIN_URI         | Root path of where your plugin is hosted                                                                                |
+| REDIRECT_URI       | Callback path that provider will redirect to after logging in                                                           |
+| AUTHORIZE_ENDPOINT | Provider endpoint path for showing the log in screen                                                                    |
+| TOKEN_ENDPOINT     | Provider endpoint path for fetching and refreshing access tokens                                                        |
+| SCOPE              | Provider permissions separated by a space                                                                               |
+
+To test locally, create a `.dev.vars` file with your own `CLIENT_ID` and `CLIENT_SECRET`.
+
+### Run locally
+
+```sh
+# Install the dependencies.
+npm i
+
+# Start the worker locally
+npm run dev
+```