feat: use anyhow, refactor services & coordinator out of main.rs

src/config/mod.rs

@@ -0,0 +1,11 @@
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct Config {
+    pub bot_token: String,
+    pub database_url: String,
+    pub redis_url: String,
+    pub banner_base_url: String,
+    pub bot_target_guild: u64,
+    pub bot_app_id: u64,
+}