修改git ignore

.gitignore

 *.DS_Store
 /build
 /example
+/.vscode
 /debug
 command.txt
\ No newline at end of file

.vscode/settings.json

-{
-    "files.associations": {
-        "memory": "cpp",
-        "array": "cpp",
-        "atomic": "cpp",
-        "*.tcc": "cpp",
-        "cctype": "cpp",
-        "clocale": "cpp",
-        "cmath": "cpp",
-        "cstdarg": "cpp",
-        "cstddef": "cpp",
-        "cstdint": "cpp",
-        "cstdio": "cpp",
-        "cstdlib": "cpp",
-        "cstring": "cpp",
-        "cwchar": "cpp",
-        "cwctype": "cpp",
-        "deque": "cpp",
-        "list": "cpp",
-        "unordered_map": "cpp",
-        "vector": "cpp",
-        "exception": "cpp",
-        "algorithm": "cpp",
-        "map": "cpp",
-        "memory_resource": "cpp",
-        "optional": "cpp",
-        "string": "cpp",
-        "string_view": "cpp",
-        "system_error": "cpp",
-        "tuple": "cpp",
-        "type_traits": "cpp",
-        "utility": "cpp",
-        "fstream": "cpp",
-        "initializer_list": "cpp",
-        "iosfwd": "cpp",
-        "iostream": "cpp",
-        "istream": "cpp",
-        "limits": "cpp",
-        "new": "cpp",
-        "ostream": "cpp",
-        "sstream": "cpp",
-        "stdexcept": "cpp",
-        "streambuf": "cpp",
-        "cinttypes": "cpp",
-        "typeinfo": "cpp",
-        "variant": "cpp"
-    }
-}
\ No newline at end of file