Don't pollute web source dir with build artifacts

builder/builder.odin

@@ -242,7 +242,7 @@ main :: proc() {
 					"main_web",
 					"-target:js_wasm32",
 					"-build-mode:obj",
-					"-out:main_web/game",
+					"-out:build/web/game",
 				},
 				COMMON_FLAGS,
 				debug_flag,
@@ -257,7 +257,7 @@ main :: proc() {
 				"-g",
 				"-o",
 				"build/web/index.html",
-				"main_web/game.wasm.o",
+				"build/web/game.wasm.o",
 				"libs/raylib/zig-out-static/lib/libraylib.a",
 				"libs/physfs/build/libphysfs.a",
 				"-sUSE_GLFW=3",
@@ -272,6 +272,7 @@ main :: proc() {
 			},
 			"",
 		)
+		remove_file("./build/web/game.wasm.o")
 
 		copy_file(
 			filepath.join(