Add 10 free animal live camera avatars

client/public/avatars/twemoji/ATTRIBUTION.txt

@@ -0,0 +1,20 @@
+Animal avatar SVG assets in this folder are sourced from Twemoji.
+
+Source:
+https://github.com/jdecked/twemoji
+
+Selected assets:
+- gorilla.svg
+- monkey.svg
+- dog.svg
+- pig.svg
+- cat.svg
+- fox.svg
+- panda.svg
+- lion.svg
+- tiger.svg
+- rabbit.svg
+
+License:
+CC-BY 4.0
+https://creativecommons.org/licenses/by/4.0/