Option to have round avatars

theme/light/theme.json

@@ -1,4 +1,5 @@
 {
+    "avatar-rounding": "50%",
     "button-selected": "#999",
     "button-background": "#bbbbbb",
     "button-background-hover": "#999",

theme/night/theme.json

@@ -1,4 +1,5 @@
 {
+    "avatar-rounding": "50%",
     "newswire-publish-icon": "True",
     "full-width-timeline-buttons": "False",
     "icons-as-buttons": "False",

theme/zen/theme.json

@@ -1,4 +1,5 @@
 {
+    "avatar-rounding": "50%",
     "dropdown-bg-color-hover": "#463b35",
     "cw-color": "#d5c7b7",
     "main-fg-color": "#d5c7b7",