0.2 Polish and updates

1. Round 7 AI logic now applied to any custom rules round with "allcards" flag.
2. Added multiple language translations, please report anything incorrect in your language.
3. Migrated UI themes from being applied by code to proper Godot4 Themes.
4. Added "None" keyword to Custom Rules Wild card list, "None" disables wild cards.
5. Added cleanups and safeguards to prevent RID leaks.
6. Added "Low/High" toggle button to control Wild card run edge placement. Defaults to low, toggle for High. This will allow you to place a wild on either end of a run selected in Hand, or while placing on other players melds. Example building run in hand with: 7, 8, 9, Wild
   • by default will form Wild(6), 7, 8, 9
   • when toggled on will form 7, 8, 9, Wild(10)
   Example adding a single wild to a run on table: Wild, being added to 7, 8, 9, 10
   • by default will form Wild(6), 7, 8, 9, 10
   • when toggled on will form 7, 8, 9, 10, Wild(Jack)

Demo version released.

The demo version allows you to play single player, and the first 3 rounds of the default ruleset, and the tutorial.