Add 'offline' config option to turn off autojoin

src/config.rs

@@ -26,6 +26,8 @@ pub struct Config {
     pub data_dir: Option<PathBuf>,
     #[serde(default)]
     pub ephemeral: bool,
+    #[serde(default)]
+    pub offline: bool,
     pub euph: Euph,
 }
 

src/ui/rooms.rs

@@ -67,9 +67,11 @@ impl Rooms {
             euph_rooms: HashMap::new(),
         };
 
-        for (name, config) in &config.euph.rooms {
-            if config.autojoin {
-                result.get_or_insert_room(name.clone()).connect();
+        if !config.offline {
+            for (name, config) in &config.euph.rooms {
+                if config.autojoin {
+                    result.get_or_insert_room(name.clone()).connect();
+                }
             }
         }