Fix a number of typos in comments

src/config/InputConfig.zig

@@ -110,7 +110,7 @@ pub fn load(config: *Config, parser: *kdl.Parser, name: ?[]const u8, hostname: ?
                         .dwtp,
                         => |cmd| {
                             // These all have arguments, but we can use compile time constructs to reduce
-                            // code re-use here.
+                            // code reuse here.
                             // Because all the fields are optional, we have to use @typeInfo and get the optional's child type.
                             const field_name = @tagName(cmd);
                             const FieldType = @typeInfo(@TypeOf(@field(input_config, field_name))).optional.child;