moved migration directory to db, fix sync records

db/migrations/0041__recent_notes_with_note_path.sql

@@ -0,0 +1,7 @@
+DROP TABLE recent_notes;
+
+CREATE TABLE `recent_notes` (
+    `note_path` TEXT NOT NULL PRIMARY KEY,
+    `date_accessed` INTEGER NOT NULL ,
+    is_deleted INT
+);