feat: sync arduino source board configurations

mixly/boards/default_src/arduino/webpack.common.js

@@ -0,0 +1,13 @@
+const common = require('../../../webpack.common');
+const { merge } = require('webpack-merge');
+
+module.exports = merge(common, {
+    module: {
+        rules: [
+            {
+                test: /\.(txt|c|cpp|h|hpp)$/,
+                type: 'asset/source'
+            }
+        ]
+    }
+});