DOC: add doc tag

app/otbImageClassifierFromDeepFeatures.cxx

@@ -76,6 +76,8 @@ private:
     SetDocAuthors("Remi Cresson");
     SetDocSeeAlso(" ");
 
+    AddDocTag(Tags::Learning);
+
     ClearApplications();
 
     // Add applications

app/otbPatchesExtraction.cxx

@@ -153,6 +153,8 @@ public:
 
     SetDocAuthors("Remi Cresson");
 
+    AddDocTag(Tags::Learning);
+
     // Input/output images
     AddAnInputImage();
     for (int i = 1; i < tf::GetNumberOfSources() ; i++)

app/otbTensorflowModelServe.cxx

@@ -157,6 +157,8 @@ public:
         "parameter group to impose your squared tiles sizes");
     SetDocAuthors("Remi Cresson");
 
+    AddDocTag(Tags::Learning);
+
     // Input/output images
     AddAnInputImage();
     for (int i = 1; i < tf::GetNumberOfSources() ; i++)

app/otbTensorflowModelTrain.cxx

@@ -175,6 +175,8 @@ public:
         "the tensorflow model, (2) the patch size and (3) the image(s) source. ");
     SetDocAuthors("Remi Cresson");
 
+    AddDocTag(Tags::Learning);
+
     // Input model
     AddParameter(ParameterType_Group,       "model",              "Model parameters");
     AddParameter(ParameterType_Directory,   "model.dir",          "Tensorflow model_save directory");

app/otbTrainClassifierFromDeepFeatures.cxx

@@ -75,6 +75,8 @@ private:
   SetDocAuthors("Remi Cresson");
   SetDocSeeAlso(" ");
 
+  AddDocTag(Tags::Learning);
+
   ClearApplications();
 
   // Add applications