Renamed commands/Command to plugin/Plugin.

src/plugin.rs

@@ -0,0 +1,18 @@
+use std::fmt::Display;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Deserialize, Serialize)]
+pub enum Plugin {
+    SendMessage { channel: String, message: String },
+}
+
+impl Display for Plugin {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::SendMessage { channel, message } => {
+                write!(f, "[{channel}]: {message}")
+            }
+        }
+    }
+}