add (probably messy) support for hot lib reload via admin command

`!admin test test1`

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/admin/test_cmd/mod.rs

@@ -0,0 +1,31 @@
+use clap::Subcommand;
+#[cfg(feature = "hot_reload")]
+#[allow(unused_imports)]
+#[allow(clippy::wildcard_imports)]
+use hot_lib::*;
+use ruma::events::room::message::RoomMessageEventContent;
+
+use crate::{debug_error, Result};
+
+#[cfg(feature = "hot_reload")]
+#[hot_lib_reloader::hot_module(dylib = "lib")]
+mod hot_lib {
+	hot_functions_from_file!("lib/src/lib.rs");
+}
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+pub(crate) enum TestCommands {
+	Test1,
+}
+
+pub(crate) async fn process(command: TestCommands, _body: Vec<&str>) -> Result<RoomMessageEventContent> {
+	Ok(match command {
+		TestCommands::Test1 => {
+			debug_error!("before calling test_command");
+			test_command();
+			debug_error!("after calling test_command");
+			RoomMessageEventContent::notice_plain(String::from("loaded"))
+		},
+	})
+}