Fix tutorial name

.gitmodules

 [submodule "tutorials/analytics-nn-regression"]
 	path = tutorials/analytics-nn-regression
 	url = https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-nn-regression
-[submodule "tutorials/analytics-convolutional_nn"]
-	path = tutorials/analytics-convolutional_nn
-	url = https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-convolutional-nn.git
 [submodule "tutorials/analytics-query-nomad-archive"]
 	path = tutorials/analytics-query-nomad-archive
 	url = https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-query-nomad-archive.git
 [submodule "tutorials/analytics-exploratory-analysis"]
 	path = tutorials/analytics-exploratory-analysis
 	url = https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-exploratory-analysis.git
+[submodule "tutorials/analytics-convolutional-nn"]
+	path = tutorials/analytics-convolutional-nn
+	url = https://gitlab.mpcdf.mpg.de/nomad-lab/analytics-convolutional-nn.git