Adding open functions to pkgdown

Author: AliceBeckmann

_pkgdown.yml

@@ -54,3 +54,14 @@ reference:
     Get a tidy dataframe with the found sources for different data.
   contents:
   - expand_trade_sources
+  
+
+- title: "Nitrogen cycles Spain"
+desc: >
+   Functions to generate graphs for N inputs, outputs, typologies, etc.
+    contents:
+      - create_n_inputs_grafs_spain
+      - create_typologies_grafs_spain
+      - create_typologies_of_josette
+      - .create_prod_and_destiny_grafs
+