fix: store Needle dist assets as plain git blobs, not LFS pointers

Git LFS pointer text was being served as MenuScene.glb, breaking GLTF JSON parse.
Override filter for Needle/**/dist/** so static hosting and Docker get real binaries.

Made-with: Cursor

.gitattributes

@@ -10,3 +10,6 @@
 *.mp3 filter=lfs diff=lfs merge=lfs -text
 *.ogg filter=lfs diff=lfs merge=lfs -text
 *.wasm filter=lfs diff=lfs merge=lfs -text
+
+# Vite/Needle dist/ is static hosting: must be real binaries, not LFS pointers (breaks fetch/GLTF load).
+Needle/**/dist/** -filter -diff -merge