move migrate-db to own repo

db/mysql/migration_v2.sql

@@ -1,85 +0,0 @@
--- account
-DELETE FROM `user`
-WHERE username = 'admin';
-
-INSERT INTO `user`
-(user_id, username, password, role, created_at, updated_at, deleted_at)
-SELECT account_uuid,
-    username,
-    password,
-    CASE WHEN is_admin = true THEN 'admin' ELSE 'user' END,
-    created_at,
-    updated_at,
-    NULL
-FROM v1_account
-WHERE NOT EXISTS (SELECT 1 FROM `user`);
-
--- website
-INSERT INTO website
-(website_id, name, domain, share_id, rev_id, user_id, team_id, created_at)
-SELECT website_uuid,
-    name,
-    domain,
-    share_id,
-    0 rev_id,
-    a.account_uuid,
-    NULL team_id,
-    a.created_at
-FROM v1_website w
-JOIN v1_account a
-ON a.user_id = w.user_id
-WHERE NOT EXISTS (SELECT 1 FROM website);
-
--- session
-INSERT INTO session
-(session_id, website_id, hostname, browser, os, device, screen, language, country)
-SELECT session_uuid,
-    w.website_uuid,
-    hostname,
-    browser,
-    os,
-    device,
-    screen,
-    language,
-    country
-FROM v1_session s
-JOIN v1_website w
-ON w.website_id = s.website_id
-WHERE NOT EXISTS (SELECT 1 FROM session);
-
--- pageview
-INSERT INTO website_event
-(event_id, website_id, session_id, created_at, url, referrer, event_type)
-SELECT uuid() event_id,
-    w.website_uuid,
-    s.session_uuid,
-    p.created_at,
-    p.url,
-    p.referrer,
-    1 event_type
-FROM v1_pageview p
-JOIN v1_session s
-ON s.session_id = p.session_id
-JOIN v1_website w
-ON w.website_id = s.website_id
-WHERE NOT EXISTS (SELECT 1 FROM website_event WHERE event_type = 1);
-
--- event / event_data
-INSERT INTO website_event
-(event_id, website_id, session_id, created_at, url, event_type, event_name, event_data)
-SELECT e.event_uuid,
-    w.website_uuid,
-    s.session_uuid,
-    e.created_at,
-    e.url,
-    2 event_type,
-    e.event_name,
-    ed.event_data
-FROM v1_event e
-JOIN v1_session s
-ON s.session_id = e.session_id
-JOIN v1_website w
-ON w.website_id = s.website_id
-LEFT JOIN v1_event_data ed
-ON ed.event_id = e.event_id
-WHERE NOT EXISTS (SELECT 1 FROM website_event WHERE event_type = 2);