feat: Added CC Compressor Sample

cc-compressor-sample/.gitignore

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+node_modules
+.env

cc-compressor-sample/README.md

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+# CC Compressor Sample
+This plugin is an example NodeJS app that you could deploy to a company server where you can select an image from my Libraries and then download a "web-optimised", minimised (by the server, e.g., via a TinyPNG API or something similar) rendition in a specific resolution.
+
+## Install dependencies
+
+First ensure that your terminal is in the root of this project. Then:
+
+For `yarn` users, install all dependencies using:
+
+```
+yarn install
+```
+
+For `npm` users, install all dependencies using:
+
+```
+npm install
+```
+
+## Firestore Setup
+
+Next, you need to create a `.env` file containing all the variables. Enter all variables from your Firebase project:
+
+```sh
+{
+        echo 'SESSION_SECRET='
+        echo 'API_KEY='
+        echo 'API_SECRET='
+        echo 'PORT='
+        echo 'TINIFY_API_KEY='
+
+} >> .env
+```
+
+## Launch the project
+
+Run the following command for running the backend: 
+
+```sh
+npm run dev
+```
+
+> Note: On following the above steps, the project will run on your localhost server using `http` protocol. To use `https` please follow [this blog](https://web.dev/how-to-use-local-https/).