Add VS Code extensions

Author: ccmywish

.gitignore

@@ -1,4 +1,5 @@
 .vscode/*
+!.vscode/extensions.json
 !.vscode/settings.json
 !.vscode/c_cpp_properties.json
 !.vscode/tasks.json

.vscode/extensions.json

@@ -0,0 +1,11 @@
+{
+    "recommendations": [
+        "ms-vscode.cpptools",
+        "editorconfig.editorconfig",
+        "redhat.vscode-yaml",
+        "nefrob.vscode-just-syntax"
+    ],
+    "unwantedRecommendations": [
+        "esbenp.prettier-vscode"
+    ]
+}