[Improvement] New extensions for DevTools talk

[Mte90]

• https://addons.mozilla.org/en-US/firefox/addon/spector-js/
• https://addons.mozilla.org/en-US/firefox/addon/corser/?src=cb-dl-create
• https://addons.mozilla.org/en-US/firefox/addon/webrtc-externals/
• https://addons.mozilla.org/en-US/firefox/addon/openlorem/?src=cb-dl-created
• https://addons.mozilla.org/en-US/firefox/addon/css-objectnet/?src=cb-dl-created
• https://addons.mozilla.org/en-US/firefox/addon/css-reload-we/?src=cb-dl-created
• https://addons.mozilla.org/en-US/firefox/addon/devtools-media-panel/?src=cb-dl-created