move stan file to examples/misc folder

Author: paul-buerkner

examples/Bayesian_Experimental_Design.ipynb

@@ -266,7 +266,7 @@
     "    def run_hmc_posterior(\n",
     "        self, y: Tensor, num_samples: int = 1000, num_chains: int = 4\n",
     "    ) -> Tensor:\n",
-    "        stan_model = CmdStanModel(stan_file=\"mm_gsn.stan\")\n",
+    "        stan_model = CmdStanModel(stan_file=\"misc/mm_gsn.stan\")\n",
     "        hmc_posterior_samples = []\n",
     "\n",
     "        for y_sample in y:\n",
@@ -764,16 +764,7 @@
    "name": "python3"
   },
   "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.11.5"
+   "name": "python"
   }
  },
  "nbformat": 4,