feat: move docs to github pages (#3296)

* feat(docs): setup nextra

* feat(docs): add pages

* docs: update introduction page

* docs: fix typos

* docs: fix links

* docs: update README

* docs: sync with master

* docs: remove old docs

* fix(ci/docs): fix typos

* fix(ci/docs): fix docs setup

* fix(docs): update next config

* chore(ci/docs): clean up

* chore(docs): add meta tags

* chore: apply review changes

* docs: move drm into api section

* docs: fix next config

* docs: fix links

* docs: add methods section

* chore: sync with main

* docs: add missing onAudio events

docs/theme.config.jsx

@@ -0,0 +1,39 @@
+import React from 'react';
+
+export default {
+  head: (
+    <>
+      <meta name="language" content="en" />
+      <meta name="viewport" content="width=device-width,initial-scale=1" />
+      <meta name="description" content="Video component for React Native" />
+      <meta name="og:title" content="React Native Video" />
+      <meta
+        name="og:description"
+        content="A Video component for React Native"
+      />
+    </>
+  ),
+  logo: (
+    <span>
+      🎬 <strong>Video component</strong> for React Native
+    </span>
+  ),
+  faviconGlyph: '🎬',
+  project: {
+    link: 'https://github.com/react-native-video/react-native-video',
+  },
+  docsRepositoryBase:
+    'https://github.com/react-native-video/react-native-video/tree/master/docs/',
+  footer: {
+    text: (
+      <span>
+        Built with love ❤️ by <strong>React Native Community</strong>
+      </span>
+    ),
+  },
+  useNextSeoProps() {
+    return {
+      titleTemplate: '%s – Video',
+    };
+  },
+};