- * if the `action` is `add`, adds an emoji named `shortcode` to the pack `pack_name`,
- that means that the emoji file needs to be uploaded with the request
- (thus requiring it to be a multipart request) and be named `file`.
- There can also be an optional `filename` that will be the new emoji file name
- (if it's not there, the name will be taken from the uploaded file).
- * if the `action` is `update`, changes emoji shortcode
- (from `shortcode` to `new_shortcode` or moves the file (from the current filename to `new_filename`)
- * if the `action` is `remove`, removes the emoji named `shortcode` and it's associated file
-* Response: JSON, updated "files" section of the pack and 200 status, 409 if the trying to use a shortcode
- that is already taken, 400 if there was an error with the shortcode, filename or file (additional info
- in the "error" part of the response JSON)
-
-## `POST /api/pleroma/emoji/packs/:name/update_metadata`
-### Updates (replaces) pack metadata
-* Method `POST`
-* Authentication: required
-* Params:
- * `new_data`: new metadata to replace the old one
-* Response: JSON, updated "metadata" section of the pack and 200 status or 400 if there was a
- problem with the new metadata (the error is specified in the "error" part of the response JSON)
+ * `file`: file needs to be uploaded with the multipart request or link to remote file.
+ * `shortcode`: (*optional*) shortcode for new emoji, must be uniq for all emoji. If not sended, shortcode will be taken from original filename.
+ * `filename`: (*optional*) new emoji file name. If not specified will be taken from original filename.
+* Response: JSON, list of files for updated pack (hashmap -> shortcode => filename) with status 200, either error status with error message.