feat: sync all remaining python source board configurations

mixly/boards/default_src/python_pyodide/others/nav-ext.js

@@ -0,0 +1,43 @@
+import { app, Nav, Debug } from 'mixly';
+import * as Blockly from 'blockly/core';
+import PythonShell from './python-shell';
+
+const NavExt = {};
+
+NavExt.init = async function () {
+    const nav = app.getNav();
+
+    nav.register({
+        icon: 'icon-play-circled',
+        title: '',
+        id: 'python-run-btn',
+        displayText: Blockly.Msg.MSG['run'],
+        preconditionFn: () => {
+            return true;
+        },
+        callback: () => {
+            PythonShell.run().catch(Debug.error);
+        },
+        scopeType: Nav.Scope.LEFT,
+        weight: 4
+    });
+
+    nav.register({
+        icon: 'icon-cancel',
+        title: '',
+        id: 'python-stop-btn',
+        displayText: Blockly.Msg.MSG['stop'],
+        preconditionFn: () => {
+            return true;
+        },
+        callback: () => {
+            PythonShell.stop().catch(Debug.error);
+        },
+        scopeType: Nav.Scope.LEFT,
+        weight: 5
+    });
+
+    await PythonShell.init();
+}
+
+export default NavExt;