Release v1.3

[jadjoubran]

• [x] Finalize last issues & PRs
• [x] Publish webdash 1.3
• [x] Publish 1.3 for all plugins (mainly due to new \<empty-state-webdash>)
• [x] end to end test from webdash.xyz to localhost:3456
• [x] close milestone 1.3
• [x] Write changelog & tag release on github
• [x] Tweet + tag contributors

[jadjoubran]

🎉 webdash v1.3