chore: remove CMakeSettings.json and add it to .gitignore

It is an output file of Visual Studio

.gitignore

 build/
 compile_commands.json
+CMakeSettings.json
 .cache
 .ycm_extra_conf.py
 .tasks

CMakeSettings.json

-{
-  "configurations": [
-    {
-      "name": "WSL-GCC-Debug",
-      "generator": "Unix Makefiles",
-      "configurationType": "Debug",
-      "buildRoot": "${projectDir}\\build\\",
-      "installRoot": "${projectDir}\\build\\",
-      "cmakeExecutable": "/usr/bin/cmake",
-      "cmakeCommandArgs": "",
-      "buildCommandArgs": "",
-      "ctestCommandArgs": "",
-      "inheritEnvironments": [ "linux_x64" ],
-      "wslPath": "${defaultWSLPath}",
-      "addressSanitizerRuntimeFlags": "detect_leaks=0",
-      "variables": [
-        {
-          "name": "CMAKE_INSTALL_PREFIX",
-          "value": "/mnt/d/TDengine/TDengine/build",
-          "type": "PATH"
-        }
-      ]
-    }
-  ]
-}
\ No newline at end of file