Update init.sql

Added the is_new column for every kara, to check if a kara is in the nouveau folder.

database/init.sql

@@ -13,6 +13,7 @@ CREATE TABLE IF NOT EXISTS kara
   , category    INTEGER NOT NULL REFERENCES kara_category
   , language    TEXT    REFERENCES language
   , file_path   TEXT    NOT NULL
+  , is_new      INTEGER NOT NULL
   , author_name TEXT
   , author_year INTEGER CHECK(author_year > 0)
   );