Allow certain clippy lints

src/main.rs

 // Global specifiers
 #![forbid(unsafe_code)]
 #![warn(clippy::pedantic, clippy::all)]
+#![allow(
+	clippy::clippy::needless_pass_by_value,
+	clippy::match_wildcard_for_single_variants,
+	clippy::cast_possible_truncation,
+	clippy::similar_names
+)]
 
 // Reference local files
 mod post;