Update README.md

README.md

@@ -179,10 +179,23 @@ As for replies and other fields, here's a more complex example.
 - `lbl`: Labels. A list of strings. Though typically empty list for firehose streams. Labels are sent seperately firehose stream-wise.
 - `lng`: Languages. Either an list (Can be empty) or a string.
 - `tgs`: "Additional hashtags, in addition to any included in post text and facets."
-`rpl`: The post that the current post is replying to.
+- `rpl`: The post that the current post is replying to.
   - *Note:* The reply post is not enriched with the actual post.
   - `typ`/`usr`/`rid`: [Refer to the simple posts section.](#posts-simple)
   - `rrt`: Root post. Can be `null` if root post is the same as the `rpl` post `rid`.
+- `emb`: Any rich embed.
+  - Embed primarily has around 5 types
+    1. Images
+      - A list of images.
+      - Each image contains: `img` (BlobRef), `alt` (Alt Text), `isz` (Size)
+    3. Video
+      - A Video
+      - Contains the following fields: `vid`, `alt` (Alt Text), `isz` (Size), `cpt` (Captions, Dictionary with of key for languages and a BlobRef for value)
+    4. External (Outside bluesky)
+      - Typically webpages and the like
+    5. w/ Record (A post that has a link to another person)
+    6. Same as 5 but with Images.
+  - TL;DR: Embeds are complicated.
 
 ### Accounts