docs: add README.md for web clipper (streetwriters#7054)

Signed-off-by: 01zulfi <[email protected]>

extensions/web-clipper/README.md

@@ -0,0 +1,30 @@
+# Contributing guidelines
+
+Please read the [contributing guidelines](../../CONTRIBUTING.md) beforehand.
+
+### Setting web clipper locally 
+
+#### Running the web clipper
+
+1. Install packages and setup the repo. Run this command in the repository root:
+    ```sh
+    npm install
+    ```
+1. Run the Notesnook webapp:
+    ```sh
+    npm run start:web
+    ```
+1. Navigate to the web clipper folder: 
+    ```sh
+    cd extensions/web-clipper
+    ```
+1. Run the web clipper:
+    ```sh
+    npm run dev:chrome
+    ```
+
+#### Viewing the web clipper
+
+1. Open chrome and go to `chrome://extensions`.
+1. Turn on "Developer Mode".
+1. Click on "Load unpacked" and select the `extensions/web-clipper/build` folder.