docs: Add blob-url tutorial (#3586)

Closes #1481

docs/tutorials/blob-url.md

@@ -0,0 +1,15 @@
+# Blob URL
+
+In case you need shaka-player to load a blob url mpd:
+
+`player.load(computedMpdBlobURL, startTime, 'application/dash+xml');`
+
+
+In case you need shaka-player to load a blob url m3u8 :
+
+`player.load(computedMpdBlobURL, startTime, 'application/x-mpegurl');`
+
+
+Note: relative URIs in the manifest are broken because the original manifest URI is lost. This can be worked around with either absolute URIs or the use of BaseURL element in DASH.
+
+Note: this tutorial only applies to v3.3 or higher

docs/tutorials/index.json

@@ -18,6 +18,7 @@
   { "offline": { "title": "Offline Storage and Playback" } },
   { "fairplay": { "title": "FairPlay support" } },
   { "application-level-redirects": { "title": "Application-Level Redirects" } },
+  { "blob-url": { "title": "Blob URL" } },
   { "faq": { "title": "Frequently Asked Questions" } },
   { "upgrade": {
       "title": "Upgrade Guide",