Added WASM libs for raylib and raygui. Added them to the foreign import blocks, with optional ways to override them. These overrides can be used to use alterantive libs when using for example emscripten.

vendor/raylib/rlgl/rlgl.odin

@@ -113,6 +113,7 @@ import rl "../."
 VERSION :: "5.0"
 
 RAYLIB_SHARED :: #config(RAYLIB_SHARED, false)
+RAYLIB_WASM_LIB :: #config(RAYLIB_WASM_LIB, "../wasm/libraylib.a")
 
 // Note: We pull in the full raylib library. If you want a truly stand-alone rlgl, then:
 // - Compile a separate rlgl library and use that in the foreign import blocks below.
@@ -145,6 +146,10 @@ when ODIN_OS == .Windows {
 		"system:OpenGL.framework",
 		"system:IOKit.framework",
 	} 
+} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
+	foreign import lib {
+		RAYLIB_WASM_LIB,
+	}
 } else {
 	foreign import lib "system:raylib"
 }