Add turret skins and cleanup

html5/turrets/twins/legacy/meta.info

@@ -0,0 +1,21 @@
+[ {
+  "name" : "lightmap-alpha-etc1.ktx",
+  "size" : 43832,
+  "md5" : "ee3889fdb68f30db2e5bc831784f4a87"
+}, {
+  "name" : "lightmap-astc.ktx",
+  "size" : 22016,
+  "md5" : "7b3757b28ff474dfc448310f417f7b4c"
+}, {
+  "name" : "lightmap-etc1.ktx",
+  "size" : 43832,
+  "md5" : "7f49f33d8998b52bb5acf276ced4885f"
+}, {
+  "name" : "lightmap.webp",
+  "size" : 26360,
+  "md5" : "dc65ea77b93a5bfbadbf7496473108b0"
+}, {
+  "name" : "object.a3d",
+  "size" : 13568,
+  "md5" : "36ae5cd30a017cc8fc5c277c39d46450"
+} ]