feat: add log-server (ring buffer) and permission-manager (grant/revoke/check) system servers

crates/servers/log-server/src/lib.rs

@@ -0,0 +1,8 @@
+#![no_std]
+
+pub mod protocol;
+pub mod server;
+
+#[cfg(test)]
+#[path = "tests/mod.rs"]
+mod tests;