feat: sync all remaining python source board configurations

mixly/boards/default_src/python_skulpt_car/origin/config.json

@@ -0,0 +1,13 @@
+{
+    "language": "Python",
+    "nav": {
+        "webrun": true,
+        "websteprun": true,
+        "webcancel": true,
+        "save": {
+            "py": true
+        },
+        "levelSelector": true
+    },
+    "saveMixWithCode": false
+}

mixly/boards/default_src/python_skulpt_car/origin/examples/map.json

@@ -0,0 +1 @@
+{}

mixly/boards/default_src/python_skulpt_car/origin/others/pyengine.js

@@ -0,0 +1,3 @@
+var mixpyProject = new MixpyProject();
+var pyengine = new PyEngine({}, mixpyProject);
+Sk.__future__ = Sk.python3;