[Fix] Improved emoji handling so it should catch them all
[Improvement/Meta] Moved some functions into a seperated file and made a js folder for all the JS files
[Fix] Fixed the background.js link
[Feature] Added an "emojiComposer" in the Compose panel
[Improvement] Fixed some visual details about the emoji popover
[Fix] The emoji composer now reacts like the schedul popover
[Improvement] Now building the emoji panel in an asynchronous way