Reorganize project part 3

migrations/0013.sql

@@ -0,0 +1,8 @@
+CREATE TABLE batteries (
+	id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
+	name TEXT NOT NULL UNIQUE,
+	description TEXT,
+	used_in TEXT,
+	charge_interval_days INTEGER NOT NULL DEFAULT 0,
+	row_created_timestamp DATETIME DEFAULT (datetime('now', 'localtime'))
+)