Continue implementing rooms

Changing lots of things along the way... But that's how it is: Make one
change, make more changes to fix the resulting errors and so on.

cove-tui/src/config.rs

@@ -0,0 +1,24 @@
+use std::time::Duration;
+
+use clap::Parser;
+
+#[derive(Debug, Parser)]
+pub struct Args {
+    #[clap(long, default_value_t = String::from("wss://plugh.de/cove/"))]
+    cove_url: String,
+}
+
+pub struct Config {
+    pub cove_url: String,
+    pub timeout: Duration,
+}
+
+impl Config {
+    pub fn load() -> Self {
+        let args = Args::parse();
+        Self {
+            cove_url: args.cove_url,
+            timeout: Duration::from_secs(10),
+        }
+    }
+}