wxGUI: added GISMentors sample location for download

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@71845 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/startup/locdownload.py

@@ -77,6 +77,10 @@ LOCATIONS = [
         "label": "Fire simulation sample data",
         "url": "https://grass.osgeo.org/sampledata/fire_grass6data.tar.gz",
     },
+    {
+        "label": "GISMentors location, Czech Republic",
+        "url": "http://training.gismentors.eu/geodata/grass/gismentors.zip",
+    },
 ]