feat: default service handler, lets all love lain

src/main.rs

@@ -1,4 +1,10 @@
-#![feature(seek_stream_len, once_cell_try, decl_macro, duration_constructors)]
+#![feature(
+    decl_macro,
+    duration_constructors,
+    never_type,
+    once_cell_try,
+    seek_stream_len,
+)]
 #![allow(clippy::future_not_send)] // will get to fix these later
 
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