Added a suite GUID

sql/queries/sites.sql

@@ -7,10 +7,11 @@ SELECT * FROM sites WHERE id = ?;
 -- name: InsertSite :one
 INSERT INTO sites (
     owner_id,
+    guid,
     title,
     tagline,
     created_at
-) VALUES (?, ?, ?, ?)
+) VALUES (?, ?, ?, ?, ?)
 RETURNING id;
 
 -- name: HasUsersAndSites :one

sql/schema/01_init.up.sql

@@ -9,6 +9,7 @@ CREATE UNIQUE INDEX idx_users_username ON users (username);
 CREATE TABLE sites (
     id         INTEGER PRIMARY KEY AUTOINCREMENT,
     owner_id   INTEGER NOT NULL,
+    guid       TEXT    NOT NULL,
     title      TEXT    NOT NULL,
     tagline    TEXT    NOT NULL,
     created_at INTEGER NOT NULL,
@@ -16,6 +17,7 @@ CREATE TABLE sites (
     FOREIGN KEY (owner_id) REFERENCES users (id) ON DELETE CASCADE
 );
 CREATE INDEX idx_site_owner ON sites (owner_id);
+CREATE UNIQUE INDEX idx_site_guid ON sites (guid);
 
 CREATE TABLE publish_targets (
     id          INTEGER PRIMARY KEY AUTOINCREMENT,