added description to institution response

Author: bodintsov

trove/vocab/osfmap.py

@@ -144,6 +144,12 @@
         JSONAPI_MEMBERNAME: {
             literal('affiliation', language='en'),
         },
+        DCTERMS.description: {
+            literal('Please select an institution to apply to your search. Only OSF Institutions member affiliations are discoverable. Learn more about OSF Institutions.', language='en')
+        },
+        OSFMAP.link: {
+            literal('https://www.cos.io/products/osf-institutions', language='en')
+        },
     },
     OSFMAP.hasFunding: {
         RDF.type: {RDF.Property},
@@ -610,6 +616,12 @@
             literal('shortFormLabel', language='en'),
         },
     },
+    OSFMAP.link: {
+        RDF.type: {RDF.Property},
+        JSONAPI_MEMBERNAME: {
+            literal('link', language='en'),
+        },
+    },
 
     ###
     # types: