Implement basic virtual keyboard support

- Listener for clicks inside of text fields and other text-based screens
- Virtual keyboard screen in a QWERTY layout

common/src/main/resources/midnightcontrols.mixins.json

@@ -4,6 +4,7 @@
   "compatibilityLevel": "JAVA_21",
   "client": [
     "AdvancementsScreenAccessor",
+    "BookEditScreenAccessor",
     "ChatScreenMixin",
     "ClickableWidgetAccessor",
     "ClientPlayerEntityMixin",
@@ -22,6 +23,7 @@
     "RecipeBookScreenAccessor",
     "RecipeBookWidgetAccessor",
     "ScreenMixin",
+    "AbstractSignEditScreenAccessor",
     "TabNavigationWidgetAccessor",
     "WorldRendererMixin"
   ],