move endpoints and data discovery higher in fn ref list

Author: nmdefries

_pkgdown.yml

@@ -33,31 +33,31 @@ home:
       href: https://cmu-delphi.github.io/epidatasets/
 
 reference:
+  - title: Data source and signal discovery
+    desc: Quickly explore endpoints, and API signal and source names
+  - contents:
+      - avail_endpoints
+      - covidcast_epidata
+  - title: Make API requests
+    desc: Query Delphi Epidata endpoints
+  - contents:
+      - epidata_call
+      - fetch_args_list
+      - has_keyword("endpoint")
+      - -starts_with("pvt_")
   - title: Configuration and utilities
     desc: Set API keys and handle API data types
   - contents:
       - get_api_key
       - epirange
       - timeset
-  - title: Data source and signal discovery
-    desc: Quickly explore endpoints, and API signal and source names
-  - contents:
-      - avail_endpoints
-      - covidcast_epidata
   - title: Control caching behavior
     desc: Configure an optional persistent cache
   - contents:
       - set_cache
       - clear_cache
       - disable_cache
       - cache_info
-  - title: Make API requests
-    desc: Query Delphi Epidata endpoints
-  - contents:
-      - epidata_call
-      - fetch_args_list
-      - has_keyword("endpoint")
-      - -starts_with("pvt_")
   - title: Make requests to private API endpoints
     desc: These endpoints require additional authorization to use
   - contents: