update with pdf docs

docs/source/index.rst

@@ -26,7 +26,16 @@ Contents
    caesar
    products/main
 
+.. raw:: html
+
+   <hr>
+
+..   
+        .. toctree::
+
+           docs
 
+**docs**
 
 
 .. raw:: html

docs/source/products/data/inaf_cpcp_superdarn_datacube.rst

@@ -4,10 +4,12 @@ INAF SuperDARN Cross Polar Cap Potential
 
 .. contents:: The tiny table of contents
 
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
 SuperDARN maximum potential difference measured across the polar caps.
 
+:download:`Further readings (pdf) <../docs/inaf_cpcp_superdarn_datacube-SuperDARN_data_handling.pdf>`.
+
+
+
 **Providers**:
 
 - **SupeDARN radars British Antarctic Survey repository** - sources:

docs/source/products/software/unical_visual_spectra_sw.rst

-=========================================
+========================================================
 UNICAL Visualization code for ESP and SEP proton spectra
-=========================================
+========================================================
 
 .. contents:: The tiny table of contents
 
 Visualization code for ESP and SEP proton spectra.
 
+`Further reading (pdf) <../docs/unical_visual_spectra_sw-Description_visual_spectra.pdf>`_
+
 **Providers**:
 
 ND