Add settings param for OMEMO by default

app/services/chimeverse-service.js

@@ -31,6 +31,7 @@ angApp.factory('ChimeVerseService', ($window, $timeout, CredentialsServise, Syst
         chimeversePlugin.register(login)
         let lang = navigator.language
         let allowBookmarks = SettingsService.get('allowBookmarks')
+        let omemoDefault = SettingsService.get('omemoDefault')
         let xmppResource = '.' + (Math.random().toString(36)+'00000000000000000').slice(2, 7); // Generate 5 char unique str
         $timeout(() => {
             converse.initialize({
@@ -44,7 +45,8 @@ angApp.factory('ChimeVerseService', ($window, $timeout, CredentialsServise, Syst
                 i18n: lang,
                 priority: 50,
                 // debug: true,
-                auto_reconnect: true
+                auto_reconnect: true,
+                omemo_default: omemoDefault,
             })
         }, 50)
     }

app/services/settings-service.js

@@ -34,6 +34,11 @@ angApp.factory('SettingsService', () => {
                 default: false,
                 title: 'Allow server bookmarks',
                 hint: 'Default: false. Enables/disables chatroom bookmarks functionality.'
+            },
+            omemoDefault: {
+                default: false,
+                title: 'Use OMEMO encryption by default',
+                hint: 'Default: false. Use OMEMO encryption by default when the chat supports it.'
             }
         }
     }