[docs] Update developer docs to install libsqlite3-mod-spatialite

Author: youhaveme9

docs/developer/installation.rst

@@ -22,7 +22,7 @@ Install spatialite and sqlite:
 .. code-block:: shell
 
     sudo apt-get install sqlite3 libsqlite3-dev openssl libssl-dev
-    sudo apt-get install gdal-bin libproj-dev libgeos-dev libspatialite-dev
+    sudo apt-get install gdal-bin libproj-dev libgeos-dev libspatialite-dev libsqlite3-mod-spatialite
 
 Installing for Development
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