add users query command, initial fsck admin command

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

src/service/admin/fsck/mod.rs

@@ -0,0 +1,19 @@
+use clap::Subcommand;
+use ruma::events::room::message::RoomMessageEventContent;
+
+use self::fsck_commands::check_all_users;
+use crate::Result;
+
+pub(crate) mod fsck_commands;
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+pub(crate) enum FsckCommand {
+	CheckAllUsers,
+}
+
+pub(crate) async fn process(command: FsckCommand, body: Vec<&str>) -> Result<RoomMessageEventContent> {
+	Ok(match command {
+		FsckCommand::CheckAllUsers => check_all_users(body).await?,
+	})
+}