Add abp_entries column (default 0) to the adlist table for newly created gravity databases. This updates the gravity database version to 16

Signed-off-by: DL6ER <dl6er@dl6er.de>

advanced/Scripts/database_migration/gravity/15_to_16.sql

@@ -0,0 +1,11 @@
+.timeout 30000
+
+PRAGMA FOREIGN_KEYS=OFF;
+
+BEGIN TRANSACTION;
+
+ALTER TABLE adlist ADD COLUMN abp_entries INTEGER NOT NULL DEFAULT 0;
+
+UPDATE info SET value = 16 WHERE property = 'version';
+
+COMMIT;