Major clean up and reorganization

- Upgraded to Godot 4
- Just remembered the basic principles are based on a tile editor, and dramatically simplified from there. Derp.
- New state machine and license display add-ons.
- Re-licensed under the GPL because Micropolis' assets aren't under a separate one.

json/ticker/config.json

@@ -1,11 +1,11 @@
 {
-    "outlet": "Pawprint Press",
-    "competing_outlet": "Citizen Telegram",
-    "ticker_files": [
-        "adverts.json",
-        "sammy.json",
-        "kittykibble.json",
-        "citylife.json",
-        "extra_lore.json"
-    ]
-}
+	"outlet": "Pawprint Press",
+	"competing_outlet": "Citizen Telegram",
+	"ticker_files": [
+		"adverts.json",
+		"sammy.json",
+		"kittykibble.json",
+		"citylife.json",
+		"extra_lore.json"
+	]
+}