FEP-c0e0: Describe emojiReactions collection (#488)

- Added section about `emojiReactions` collection.
- Renamed context file.
- Added type attribute to proposal metadata.

Reviewed-on: https://codeberg.org/fediverse/fep/pulls/488
Co-authored-by: silverpill <silverpill@firemail.cc>
Co-committed-by: silverpill <silverpill@firemail.cc>

fep/c0e0/context.jsonld

@@ -1,5 +0,0 @@
-{
-  "@context": {
-    "EmojiReact": "http://litepub.social/ns#EmojiReact"
-  }
-}

fep/c0e0/fep-c0e0.jsonld

@@ -1,5 +1,6 @@
 {
   "@context": {
-    "EmojiReact": "http://litepub.social/ns#EmojiReact"
+    "EmojiReact": "http://litepub.social/ns#EmojiReact",
+    "emojiReactions": "http://fedibird.com/ns#emojiReactions"
   }
 }

fep/c0e0/fep-c0e0.md

@@ -1,6 +1,7 @@
 ---
 slug: "c0e0"
 authors: silverpill <@silverpill@mitra.social>
+type: implementation
 status: DRAFT
 dateReceived: 2024-08-08
 discussionsTo: https://socialhub.activitypub.rocks/t/fep-c0e0-emoji-reactions/4443
@@ -118,9 +119,15 @@ Emoji reactions can be retracted using a standard `Undo` activity:
 }
 ```
 
+## `emojiReactions` collection
+
+The list of emoji reactions to an object can be exposed using the `emojiReactions` property. Its full IRI is `http://fedibird.com/ns#emojiReactions`.
+
+The URL specified by this property MUST resolve to a `Collection` object containing `Like` (with `content`) and `EmojiReact` activities.
+
 ## Implementations
 
-This document is based on implementations of emoji reactions in Misskey and Pleroma.
+This document is based on implementations of emoji reactions in Misskey, Pleroma and Fedibird.
 
 ## References