debugger run prelaunch task

.vscode/launch.json

@@ -5,6 +5,7 @@
             "type": "ruby_lsp",
             "name": "Debug Rails",
             "request": "launch",
+            "preLaunchTask": "PKILL: /bin/dev",
             "program": "bin/rails server --port 3000",
         },
     ]

.vscode/tasks.json

@@ -0,0 +1,17 @@
+{
+    "tasks": [
+        {
+            "type": "shell",
+            "label": "PKILL: /bin/dev",
+            "command": "kill -9 $(ss -tlnp | grep 3000 | grep -oP \"pid=\\K(\\d+)\" | head -n1)",
+            "detail": "Pkill previous Rails server",
+            "presentation": {
+                "showReuseMessage": false,
+                "reveal": "silent",
+                "close": true
+            }
+        }
+
+    ],
+    "version": "2.0.0"
+}