V2 beta1 (#326)

* style: labels on added time

* style: remove mentions of PiP

* refactor: unify usage of ms for timers

* refactor: create events with 0 duration

* style: several small tweaks

* refactor: keep block when applying delays

* feat: blocks have titles

* style: improvements in time entry warnings

* style: override progress bar styles

* style: prevent overflow

* feat: show character count in editor

* refactor: provide initial payload

* refactor: lower test boundary

* refactor: get colour from swatches

* style: rename title block

* chore: version bump

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ontime",
-  "version": "2.0.0-beta1",
+  "version": "2.0.0-beta2",
   "description": "Time keeping for live events",
   "keywords": [
     "lighdev",