even more cleansing

- added support for x.com urls
- removed del shortcut for clearing url input area because it was causing regular typing issues
- added info about no liability
- fixed donate button glow and text backdrop padding
- updated donation and privacy policy texts for more clarity in both english and russian
- made cors question in setup script to take yes as answer, not just 'y'
- text-to-copy now has proper rounding when highlighted
- home screen now smoothly fades in instead of popping in

src/modules/emoji.js

@@ -31,7 +31,8 @@ const names = {
     "🔒": "locked",
     "🔍": "magnifying_glass",
     "🔗": "link",
-    "⌨": "keyboard"
+    "⌨": "keyboard",
+    "📑": "boring_document"
 }
 let sizing = {
     18: 0.8,