added glsl files.associations to .vscode

.vscode/settings.json

 {
-    "typescript.tsdk": "node_modules/typescript/lib"
+    "typescript.tsdk": "node_modules/typescript/lib",
+    "files.associations": {
+        "*.glsl.ts": "glsl",
+        "*.frag.ts": "glsl",
+        "*.vert.ts": "glsl"
+    },
 }
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