feat: integrate user profile pictures with circular avatar display and upload in settings

internal/api/server.go

@@ -1505,6 +1505,7 @@ func (s *Server) handleUpdateUserSettings(w http.ResponseWriter, r *http.Request
 		DisplayName         *string   `json:"displayName"`
 		Email               *string   `json:"email"`
 		Password            *string   `json:"password"`
+		AvatarURL           *string   `json:"avatarUrl"`
 		AlarmChannels       *[]string `json:"alarmChannels"`
 		AlarmEmail          *string   `json:"alarmEmail"`
 		DiscordWebhookURL   *string   `json:"discordWebhookUrl"`
@@ -1534,6 +1535,7 @@ func (s *Server) handleUpdateUserSettings(w http.ResponseWriter, r *http.Request
 		req.DiscordWebhookURL,
 		req.CustomWebhookURL,
 		req.NotifyBeforeMinutes,
+		req.AvatarURL,
 	)
 	if err != nil {
 		writeError(w, http.StatusBadRequest, err.Error())