First version of gallery refactor to use thumbnails.

package.json

@@ -18,7 +18,6 @@
     "@cycjimmy/jsmpeg-player": "^5.1.1",
     "@egjs/hammerjs": "^2.0.17",
     "@lit-labs/task": "^1.1.1",
-    "@material/image-list": "^13.0.0",
     "@material/mwc-menu": "^0.25.3",
     "@material/rtl": "^13.0.0",
     "@types/bluebird": "^3.5.36",
@@ -32,7 +31,7 @@
     "keycharm": "^0.4.0",
     "lit": "^2.2.1",
     "lodash-es": "^4.17.21",
-    "moment": "^2.29.1",
+    "moment": "^2.29.2",
     "propagating-hammerjs": "^2.0.1",
     "quick-lru": "^6.1.0",
     "screenfull": "^6.0.1",