Add ftp credentials to db schema

pkg/database/migrations/000006_add_ftp_credentials.down.sql

@@ -0,0 +1,6 @@
+BEGIN;
+    ALTER TABLE servers
+        DROP COLUMN ftp_port,
+        DROP COLUMN ftp_username,
+        DROP COLUMN ftp_password;
+COMMIT;

pkg/database/migrations/000006_add_ftp_credentials.up.sql

@@ -0,0 +1,6 @@
+BEGIN;
+    ALTER TABLE servers
+        ADD COLUMN ftp_port int4,
+        ADD COLUMN ftp_username varchar(200),
+        ADD COLUMN ftp_password varchar(200);
+COMMIT;