RDRM Root improvements

Detection of "delinked" renderers
Better warning label generation
edge-case detection and more error checking.

Author: RetrowaveHyena

.gitignore

@@ -0,0 +1 @@
+mappings.txt

Resources/RDRM.meta

@@ -14,6 +14,7 @@
     "url": "https://t.me/myththewolf"
   },
   "vpmDependencies": {
-    "com.vrchat.avatars": "3.10.1"
+    "com.vrchat.avatars": "3.10.1",
+    "net.bitforged.rlib": "1.0.0"
   }
 }