fix: .gitignore + add 44 language JSON files

Assets/cube.obj

@@ -0,0 +1,21 @@
+# Simple cube OBJ for testing
+v -1.0 -1.0 -1.0
+v  1.0 -1.0 -1.0
+v  1.0  1.0 -1.0
+v -1.0  1.0 -1.0
+v -1.0 -1.0  1.0
+v  1.0 -1.0  1.0
+v  1.0  1.0  1.0
+v -1.0  1.0  1.0
+f 1 2 3
+f 1 3 4
+f 5 7 6
+f 5 8 7
+f 1 5 6
+f 1 6 2
+f 2 6 7
+f 2 7 3
+f 3 7 8
+f 3 8 4
+f 4 8 5
+f 4 5 1