feat: link uuid + increase counter concurrently

db/migrations/20240512214223_create_links.sql

@@ -1,10 +1,10 @@
 -- +micrate Up
 -- SQL in section 'Up' is executed when this migration is applied
 CREATE TABLE links (
-	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	id TEXT PRIMARY KEY NOT NULL,
 	slug VARCHAR(100) UNIQUE NOT NULL,
 	url TEXT NOT NULL,
-	click_counter INTEGER DEFAULT 0,
+	click_counter INTEGER NOT NULL DEFAULT 0,
 	created_at INTEGER DEFAULT CURRENT_TIMESTAMP NOT NULL,
 	updated_at INTEGER DEFAULT CURRENT_TIMESTAMP NOT NULL
 );