update devcontainer & add vscode launch options

fixes the xdebug "warning"

Author: Lifeismana

.devcontainer/Dockerfile

@@ -1,4 +1,8 @@
 {
 	"name": "PHP",
-	"build": {"dockerfile":"Dockerfile"},
+	"image": "mcr.microsoft.com/devcontainers/php:1-8",
+	"features": {
+		"ghcr.io/devcontainers/features/php:1": {},
+		"ghcr.io/devcontainers/features/node:1": {}
+	}
 }

.devcontainer/devcontainer.json

@@ -0,0 +1,41 @@
+{
+    // 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 Tests",
+            "type": "php",
+            "request": "launch",
+            "program": "${workspaceFolder}/tests/Test.php",
+            "cwd": "${workspaceFolder}",
+            "externalConsole": false,
+            "port": 9003
+        },
+        {
+            "name": "Generate Test Strings",
+            "type": "php",
+            "request": "launch",
+            "program": "${workspaceFolder}/tests/GenerateTestStrings.php",
+            "cwd": "${workspaceFolder}",
+            "externalConsole": false,
+            "port": 9003
+        },
+        {
+            "name": "Debug current script in console",
+            "type": "php",
+            "request": "launch",
+            "program": "${file}",
+            "cwd": "${fileDirname}",
+            "externalConsole": false,
+            "port": 9003
+        },
+        {
+            "name": "Listen for Xdebug",
+            "type": "php",
+            "request": "launch",
+            "port": 9003
+        }
+    ]
+}