feat: add rustfmt (#14)

rustfmt.toml

@@ -0,0 +1,15 @@
+edition = "2021"
+match_block_trailing_comma = true
+newline_style = "Unix"
+use_field_init_shorthand = true
+use_try_shorthand = true
+
+hard_tabs = false
+format_code_in_doc_comments = true
+group_imports = "StdExternalCrate"
+imports_granularity = "Module"
+imports_layout = "HorizontalVertical"
+match_arm_blocks = true
+normalize_comments = true
+overflow_delimited_expr = true
+struct_lit_single_line = false

src/logger.rs

@@ -1,4 +1,4 @@
 pub fn init() {
-    // TODO: log to file
-    tracing_subscriber::fmt::init();
+	// TODO: log to file
+	tracing_subscriber::fmt::init();
 }