[common] add tank weapon array

src/common/resources/config/dota.yaml

@@ -88,23 +88,21 @@ tanks:
     width: 38
     height: 36
     speed: 2.3
-    bullet:
-      <<: *bullet
-      speed: 12.0
-    bullets: 1
     score: 100
     skin: bc
+    weapons:
+      - bullet: {<<: *bullet, speed: 12.0}
+        count: 1
 
   - type: fast
     width: 40
     height: 36
     speed: 4.0
-    bullet:
-      <<: *bullet
-      speed: 8.0
-    bullets: 1
     score: 100
     skin: bb
+    weapons:
+      - bullet: {<<: *bullet, speed: 8.0}
+        count: 1
 
 bonuses:
   - {score: 100, factory: freeze.team, type: clock, duration: 10}