FEAT Note type structure

sql/structure.sql

@@ -784,6 +784,7 @@ CREATE TABLE notes
   user_id character varying(128) NOT NULL,
   creation_date timestamp without time zone NOT NULL,
   note_text text NOT NULL,
+  type CHARACTER VARYING (32) DEFAULT 'resource' NOT NULL,
   CONSTRAINT notes_pkey PRIMARY KEY (id)
 )
 WITH (OIDS=FALSE);