feat: Add folder title matching and parsing (#2067)

This is a breaking change for users of the [experimental 'folder'
functionality](https://card.camera/#/configuration/folders).

Related: #1748

package.json

@@ -25,6 +25,7 @@
     "@lit-labs/scoped-registry-mixin": "^1.0.3",
     "@lit-labs/task": "^1.1.3",
     "@types/bluebird": "^3.5.42",
+    "any-date-parser": "^2.2.0",
     "component-emitter": "^1.3.1",
     "compute-scroll-into-view": "^3.1.1",
     "crypto": "^1.0.1",