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

src/electron-main.js

@@ -3,7 +3,7 @@
 import fetch from 'node-fetch';
 import { Headers } from 'node-fetch';
 
-import {app, session, BrowserWindow, ipcMain} from 'electron';
+import {app, session, BrowserWindow, ipcMain, shell} from 'electron';
 
 import path from 'path';
 import fs from 'fs';
@@ -20,9 +20,6 @@ const STATIC_PREFIX = "http://localhost:5471/";
 
 const REPLAY_PREFIX = STATIC_PREFIX + "wabac/";
 
-const HTML_TYPE = 'text/html; charset="utf-8"';
-const JS_TYPE = 'application/javascript; charset="utf-8"';
-
 const URL_RX = /([^\/]+)\/([\d]+)(?:\w\w_)?\/(.*)$/;
 
 const appPath = app.getAppPath();
@@ -290,7 +287,8 @@ function createWindow () {
       plugins: true,
       preload: path.join(__dirname, 'preload.js'),
       nativeWindowOpen: true,
-      contextIsolation: true
+      contextIsolation: true,
+      enableRemoteModule: false
     }
   }).once('ready-to-show', () => {
 
@@ -315,6 +313,17 @@ function createWindow () {
   }
 }
 
+app.on('web-contents-created', (event, contents) => {
+  contents.on('new-window', async (event, navigationUrl) => {
+    
+    // load docs in native browser for now
+    if (navigationUrl === STATIC_PREFIX + "docs") {
+      event.preventDefault();
+      await shell.openExternal("https://replayweb.page/docs/");
+    }
+  });
+});
+
 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.