Add Makefile Tools extension to VSCode recommendations

Author: palewire

.vscode/extensions.json

@@ -10,7 +10,8 @@
     "ms-python.debugpy",
     "streetsidesoftware.code-spell-checker",
     "littlefoxteam.vscode-python-test-adapter",
-    "emeraldwalk.runonsave"
+    "emeraldwalk.runonsave",
+    "ms-vscode.makefile-tools"
   ],
   "unwantedRecommendations": [
     "ms-python.black-formatter",