chore: Add .vscode.

Signed-off-by: invoker__qq <478880214@qq.com>

Author: tiansongyu

.vscode/c_cpp_properties.json

@@ -0,0 +1,13 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/6502/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc"
+        }
+    ],
+    "version": 4
+}