Clone the repository

git clone <this-repo>

Install the nodejs and npm dependencies

npm install

Generate PEM key

mkdir ~/.ssh && cd ~/.ssh
openssl genrsa 2048 | openssl pkcs8 -topk8 -nocrypt -out crx.pem

Build the extension

CHROMIUM_PATH=$(which chromium-browser) make chromium

Open Chrome and go to chrome://extensions/

chrome://extensions/

Open the file explorer and drag and drop the build/chromium.crx file to the extensions page.

Click on Add Extension to install the extension.

Clone the repository

git clone <this-repo>

Install the nodejs and npm dependencies

npm install

Build the extension

make firefox

Open Firefox and go to about:debugging

Then click This Firefox and click Load Temporary Add-on...

Select manifest.json from dist/firefox/ under project folder