create folder experimental in examples

Author: vpratz

examples/Continuous_Consistency_Model_Playground.ipynb renamed to examples/experimental/Continuous_Consistency_Model_Playground.ipynb

@@ -40,7 +40,7 @@
     "# For BayesFlow devs: this ensures that the latest dev version can be found\n",
     "import sys\n",
     "\n",
-    "sys.path.append(\"../\")\n",
+    "sys.path.append(\"../..\")\n",
     "\n",
     "import bayesflow as bf\n",
     "from bayesflow.experimental.continuous_time_consistency_model import (\n",