Add Shop to the header nav, move Contact from footer to header

Contact and Shop are the two links a visitor is most likely to want
on their way in, not on their way out.

hugo.toml

@@ -15,6 +15,11 @@ disableKinds = ["taxonomy", "term"]
   eec_base_url = "https://eec.thistleandmoth.org"
   bookshop_base_url = "https://thistleandmoth.org/shop"
 
+[[menu.main]]
+  name = "Contact"
+  url = "/contact/"
+  weight = 5
+
 [[menu.main]]
   name = "Submissions"
   url = "/submissions/"
@@ -30,10 +35,10 @@ disableKinds = ["taxonomy", "term"]
   url = "/free-book/"
   weight = 30
 
-[[menu.footer]]
+[[menu.main]]
-  name = "Contact"
+  name = "Shop"
-  url = "/contact/"
+  url = "/shop/"
-  weight = 10
+  weight = 40
 
 [[menu.footer]]
   name = "Privacy"