feat: move terminal settings, look and ssh tools into ssh-terminal plugin

src/backend/tests/fixtures/upgrade/upgrade-postgres.sql

@@ -432,6 +432,9 @@ CREATE INDEX "idx_sync_records_user_seq" ON "sync_records" USING btree ("user_id
 -- ==== core 0061_red_lila_cheney ====
 DROP TABLE "sync_tombstones" CASCADE;
 
+-- ==== core 0062_curvy_killmonger ====
+ALTER TABLE "ssh_data" ADD COLUMN "ssh_options" text;
+
 -- ==== plugin workspaces 0001_adopt_user_workspaces.sql ====
 -- workspaces 0001: adopt_user_workspaces
 -- Generated by termix-plugin migrations. Review before committing.