add actions for follow/unfollow

Signed-off-by: kernelkind <kernelkind@gmail.com>
Co-authored-by: Jakub Gladysz <jakub.gladysz@protonmail.com>
Co-authored-by: William Casarin <jb55@jb55.com>

crates/notedeck_columns/src/ui/profile/mod.rs

@@ -35,6 +35,8 @@ pub struct ProfileView<'a, 'd> {
 pub enum ProfileViewAction {
     EditProfile,
     Note(NoteAction),
+    Unfollow(Pubkey),
+    Follow(Pubkey),
 }
 
 impl<'a, 'd> ProfileView<'a, 'd> {