feat: finish the docker plugin (B15)

drizzle/sqlite/0042_many_old_lace.sql

@@ -0,0 +1,5 @@
+-- ssh_data.enable_docker and docker_config moved to the docker plugin's host
+-- settings. The copy runs at boot, after this migration, so a real DROP
+-- COLUMN here would delete the data first. The columns stay in place,
+-- unused, until 3.0.0.
+SELECT 1;

drizzle/sqlite/meta/_journal.json

@@ -295,6 +295,13 @@
       "when": 1790266401908,
       "tag": "0041_nosy_mystique",
       "breakpoints": true
+    },
+    {
+      "idx": 42,
+      "version": "6",
+      "when": 1790268465325,
+      "tag": "0042_many_old_lace",
+      "breakpoints": true
     }
   ]
 }