Added .emojiadd command

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

@@ -1195,6 +1195,16 @@ showemojis:
   desc: "Shows a name and a link to every SPECIAL emoji in the message."
   args:
     - "A message full of SPECIAL emojis"
+emojiadd:
+  desc: |-
+    Adds the specified emoji to this server.
+    You can specify a name before the emoji to add it under a different name.
+    You can specify a name followed by an image link to add a new emoji from an image.
+    Image size has to be below 256KB.
+  args:
+    - ":someonesCustomEmoji:"
+    - "MyEmojiName :someonesCustomEmoji:"
+    - "owoNice https://cdn.discordapp.com/emojis/587930873811173386.png?size=128"
 deckshuffle:
   desc: "Reshuffles all cards back into the deck."
   args:

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

@@ -9,6 +9,9 @@
   "crr_reset": "Custom reaction with id {0} will no longer add reactions.",
   "crr_set": "Custom reaction with id {0} will add following reactions to the response message: {1}",
   "invalid_emojis": "All emojis you've specified are invalid.",
+  "invalid_emoji_link": "Specified link is either not an image or exceeds 256KB.",
+  "emoji_add_error": "Error adding emoji. You either ran out of emoji slots, or image size is inadequate.",
+  "emoji_added": "Added a new emoji: {0}",
   "fw_cleared": "Removed all filtered words and filtered words channel settings.",
   "aliases_cleared": "All {0} aliases on this server have been removed.",
   "no_results": "No results found.",