refactor: keep vscode debug configuration

.gitignore

@@ -1,3 +1,2 @@
-/.vscode
 /config.php
 /opensearch.xml

.vscode/launch.json

@@ -0,0 +1,26 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug Server",
+      "type": "php",
+      "request": "launch",
+      "runtimeArgs": [
+        "-dxdebug.mode=debug",
+        "-dxdebug.start_with_request=yes",
+        "-S",
+        "localhost:0"
+      ],
+      "program": "",
+      "cwd": "${workspaceRoot}",
+      "port": 9003,
+      "serverReadyAction": {
+        "pattern": "Development Server \\(http://localhost:([0-9]+)\\) started",
+        "uriFormat": "http://localhost:%s",
+        "action": "openExternally"
+      }
+    }
+  ]
+}