Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

mods/ra/maps/bomber-john/map.ftl

@@ -0,0 +1,19 @@
+## rules.yaml
+notification-ironcurtain =
+    .charging = Iron curtain charging.
+    .ready = Iron curtain ready.
+
+actor-mnlyr-name = Bomber
+
+actor-minvv =
+    .description = Bomb which explodes after 8 seconds
+    .name = Bomb
+
+## rules.yaml
+actor-player =
+    .chronoshiftpower-name = Chronoshift
+    .chronoshiftpower-description = Teleport a group of vehicles across
+    the map.
+    .grantexternalconditionpower-ironcurtain-name = Invulnerability
+    .grantexternalconditionpower-ironcurtain-description = Makes a unit invulnerable
+    for 3 seconds.