add kanjidic and radicals

initdb.d/01-function.sql

@@ -19,3 +19,8 @@ BEGIN
     RETURN ARRAY[split_part($1,'.',1), replace($1,'.','')];
 END;
 $func$ LANGUAGE plpgsql IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION identity (JSONB) RETURNS JSONB AS
+$func$
+SELECT $1;
+$func$ LANGUAGE SQL IMMUTABLE;