fix

release_version.txt

@@ -1 +1 @@
-0.5.6
+0.5.7

utils/send_mmost.sh

@@ -11,6 +11,10 @@ url=$(jq -r '.MATTERMOST.url' ${HOME}/.creds)
 team=$(jq -r '.MATTERMOST.team' ${HOME}/.creds)
 bearer=$(jq -r '.MATTERMOST.bearer' ${HOME}/.creds)
 
+#lowercase channel
+channel_name=$(echo "${channel_name}" | awk '{print tolower($0)}')
+# space to '-'
+channel_name=${channel_name//" "/"-"}
 
 get_channel_url="${url}/api/v4/teams/name/${team}/channels/name/${channel_name}"