Ref #449 add arrow to indicate external link

is not the fontawesome or bootstrap icon we were initially planning, but is an easy solution compared to change the css style or implementing html syntax in the file

Author: ronnyhdez

_quarto.yml

@@ -42,17 +42,17 @@ website:
       - section: "Our Cookbooks"
         href: our-cookbooks.qmd
         contents:
-          - text: "PO.DAAC Tutorials"
+          - text: "PO.DAAC Tutorials ↗"
             href: https://podaac.github.io/tutorials/
-          - text: "ASDC Mission Tutorials"
+          - text: "ASDC Mission Tutorials ↗"
             href: https://nasa.github.io/ASDC_Data_and_User_Services/
-          - text: "NSIDC Data Cookbook"
+          - text: "NSIDC Data Cookbook ↗"
             href: https://nsidc.github.io/NSIDC-Data-Cookbook/
-          - text: "OBDAAC Ocean Data Cookbook"
+          - text: "OBDAAC Ocean Data Cookbook ↗"
             href: https://nasa.github.io/oceandata-notebooks/
-          - text: "ORNL DAAC Airborne Tutorials"
+          - text: "ORNL DAAC Airborne Tutorials ↗"
             href: https://ornldaac.github.io/airborne/
-          - text: "ORNL DAAC GEDI Tutorials"
+          - text: "ORNL DAAC GEDI Tutorials ↗"
             href: https://ornldaac.github.io/gedi_tutorials/
 
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