fix merge develop branch

app/models/gitea/public_key.rb

@@ -0,0 +1,9 @@
+class Gitea::PublicKey < Gitea::Base
+  self.inheritance_column = nil # FIX  The single-table inheritance mechanism failed
+  # establish_connection :gitea_db
+  
+  self.table_name = "public_key"
+
+  belongs_to :user, class_name: '::User', foreign_key: :gitea_uid, primary_key: :owner_id, optional: true
+
+end