feat: add VSCode debug configuration for Python

Introduces a new VSCode debug configuration to streamline debugging for Python scripts. This configuration includes settings to launch the main.py program using the integrated terminal within the current workspace and sets an environment variable for development purposes.

.vscode/launch.json

@@ -0,0 +1,19 @@
+{
+    // 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": "Python Debugger",
+            "type": "debugpy",
+            "request": "launch",
+            "program": "main.py",
+            "console": "integratedTerminal",
+            "cwd": "${workspaceFolder}",
+            "env": {
+                "PRIVATECOFFEE_DEV": "1"
+            }
+        }
+    ]
+}