Update dependencies

.github/workflows/release.yml

@@ -55,7 +55,7 @@ jobs:
               cd $DIRECTORY && npx chrome-webstore-upload-cli@1 upload --auto-publish
               ;;
             firefox)
-              cd $DIRECTORY && npx web-ext-submit@5
+              cd $DIRECTORY && npx web-ext-submit@6
               ;;
           esac
         env:

contributing.md

@@ -0,0 +1,43 @@
+# Contributing
+
+## Requirements
+
+[Node.js](https://nodejs.org/en/download/) version 16 or later is required.
+
+## Workflow
+
+First clone:
+
+```sh
+git clone https://github.com/fregante/github-issue-link-status.git
+cd github-issue-link-status
+npm install
+```
+
+The extension can be then build with
+
+```sh
+npm run build
+```
+
+When working on the extension or checking out branches, use this to have it constantly build your changes:
+
+```sh
+npm run watch # Listen to file changes and automatically rebuild
+```
+
+Then load or reload it into the browser to see the changes.
+
+## Loading into the browser
+
+Once built, load it in the browser of your choice with [web-ext](https://github.com/mozilla/web-ext):
+
+```sh
+npx web-ext run --target=chromium # Open extension in Chrome
+```
+
+```sh
+npx web-ext run # Open extension in Firefox
+```
+
+Or you can [load it manually in Chrome](https://www.smashingmagazine.com/2017/04/browser-extension-edge-chrome-firefox-opera-brave-vivaldi/#google-chrome-opera-vivaldi) or [Firefox](https://www.smashingmagazine.com/2017/04/browser-extension-edge-chrome-firefox-opera-brave-vivaldi/#mozilla-firefox).