Implement vacuum dustbin module (dust_bucket) (#1423)

Initial implementation for dustbin auto-emptying.

New features:
- `dustbin_empty` action to empty the dustbin immediately
- `dustbin_autocollection_enabled` to toggle the auto collection
- `dustbin_mode` to choose how often the auto collection is performed

tests/fixtures/smart/RV20 Max Plus(EU)_1.0_1.0.7.json

@@ -202,6 +202,10 @@
     "getMopState": {
         "mop_state": false
     },
+    "getDustCollectionInfo": {
+        "auto_dust_collection": true,
+        "dust_collection_mode": 0
+    },
     "getVacStatus": {
         "err_status": [
             0