fixed the multi-line note and some utf-8 stuff

Cargo.toml

@@ -5,6 +5,10 @@ edition = "2024"
 description = "A category-driven personal information manager for the terminal"
 license = "MIT"
 
+[lints.rust]
+# Keep compiler warnings fatal for every Cargo entry point, not only CI.
+warnings = "deny"
+
 [dependencies]
 anyhow = "1.0"
 chrono = { version = "0.4", features = ["clock"] }