license / docs pass:

- add new docs for loading, exploring, sharing, embedding, and offline usage
- add license file / license banner

electron app:
- for now, don't bundle docs, open in native browser

embeds:
- support 'embed' option, 'replayonly' or 'full' (default if no url)

ui:
- display package.json version in info menu

package.json:
- update scripts to match README
- move electron entrypoint into extraMetadata
- add scripts for packaging as module

README: minor edits

docs/formats.md

@@ -0,0 +1,28 @@
+---
+layout: default
+title: 'Supported Formats'
+nav_order: 3
+description: 'Supported Formats'
+permalink: /docs/formats
+parent: Reference
+---
+
+## Supported Formats
+
+ReplayWeb.Page supports the archive formats listed below.
+Format is currently determined based on the file extension.
+
+The `.wacz` refers to the newly proposed [Web Archive Collection Zip Format](web-archive-collection).
+
+
+| Format  | Extensions          | Status        |     
+|:--------|:--------------------|:--------------|
+| WARC    | `.warc`, `.warc.gz` | <span class="d-inline-block p-2 mr-1 v-align-middle bg-green-000"> Supported     |
+| HAR     | `.har`              | <span class="d-inline-block p-2 mr-1 v-align-middle bg-yellow-000"> In Progress     |
+| WBN     | `.wbn`              | <span class="d-inline-block p-2 mr-1 v-align-middle bg-yellow-000"> Experimental  | 
+| ARC     | `.arc`              | <span class="d-inline-block p-2 mr-1 v-align-middle bg-red-000"> Not Supported |
+| CDX     | `.cdx`, `.cdxj`     | <span class="d-inline-block p-2 mr-1 v-align-middle bg-green-000"> Supported |
+| WACZ    | `.wacz`             | <span class="d-inline-block p-2 mr-1 v-align-middle bg-yellow-000"> In Progress |
+
+
+