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

package.json

@@ -1,7 +1,7 @@
 {
     "name": "cobalt",
     "description": "save what you love",
-    "version": "7.0-dev2",
+    "version": "7.0-dev3",
     "author": "wukko",
     "exports": "./src/cobalt.js",
     "type": "module",