fix: Fixed .stickeradd, it now properly supports 300x300 image uploads. closes #434

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -2289,7 +2289,11 @@ emojiremove:
     - emotes:
         desc: "The list of emojis to be removed from the server."
 stickeradd:
-  desc: Adds the sticker from your message to this server. Send the sticker along with this command (in the same message).
+  desc: |-
+    Adds the sticker from your message to this server.
+    Send the sticker along with this command (in the same message).
+    Alternatively you can upload an image along with this command but you have to specify the name.
+    The image must be 300x300 in .png or .apng format and up to 512KB in size.
   ex:
     - ''
     - name "description" tag1 tag2 tagN

src/NadekoBot/data/strings/responses/responses.en-US.json

@@ -1067,8 +1067,7 @@
   "xpshop_already_owned": "You already own this item.",
   "xpshop_item_not_found": "An item with that key doesn't exist.",
   "xpshop_website": "You can see the list of all Xp Shop items here: <https://xpshop.nadeko.bot>",
-  "sticker_invalid_size": "Stickers must be exactly 300x300 pixels.",
-  "sticker_error": "You must either send a sticker along with this command, or upload a 300x300 .png or .apng image.",
+  "sticker_error": "You must either send a sticker along with this command, or upload a 300x300 .png or .apng image. Up to 512KB in size.",
   "sticker_missing_name": "Please specify a name for the sticker.",
   "thread_deleted": "Thread Deleted",
   "thread_created": "Thread Created",