create vscode launch configuration

.gitignore

@@ -53,4 +53,5 @@ tags
 
 # End of https://www.toptal.com/developers/gitignore/api/go,vim,code
 
-config.yaml
+config.yaml
+__debug_*

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Run",
+            "type": "go",
+            "request": "launch",
+            "mode": "debug",
+            "program": "${workspaceRoot}",
+            "args": [
+                "-debug",
+                "-config",
+                "${workspaceRoot}/config.yaml"
+            ]
+        }
+    ]
+}