Add function to report devices activity

central_backend/Cargo.lock

@@ -632,6 +632,7 @@ dependencies = [
  "clap",
  "env_logger",
  "foreign-types-shared",
+ "fs4",
  "futures",
  "futures-util",
  "jsonwebtoken",
@@ -1021,6 +1022,16 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fs4"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8c6b3bd49c37d2aa3f3f2220233b29a7cd23f79d1fe70e5337d25fb390793de"
+dependencies = [
+ "rustix",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.30"