added a message to the label so the position of the error gets shown
and a note to make clear we don't have enough info for better error
messages thanks to serde

@@ -1,5 +1,5 @@
 [workspace]
-members = [ 
+members = [ "crates/app", 

@@ -10,1 +10,4 @@
 clap = { version = "4", features = [ "derive" ] }
+serde = { version = "1.0", features = [ "derive" ] }
+ron = "0.8"
+serde_json = "1.0"

@@ -0,0 +41,4 @@
+                    json_path
+                } else {
+                    eprintln!("{}: couldn't find config file", "Fatal error".red());
+                    process::exit(1)

@@ -0,0 +11,4 @@
+    report_serde_err(src, line, col, err.to_string())
+}
+
+pub fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {

@@ -0,0 +11,4 @@
+
+fn main() {
+    let args = Args::parse();
+    let cfg = Configs::read(args.config_file);

@@ -0,0 +2,4 @@
+
+pub fn print_startup_msg() {
+    // now or fallback to utc
+    let now = OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc());

@@ -0,0 +7,4 @@
+    /// Read this config file.
+    #[arg(short, long)]
+    pub config_path: Option<PathBuf>,
+    #[arg(long, env = "NO_STARTUP_MESSAGE", default_value = "false")]

@@ -0,0 +11,4 @@
+pub struct Configs {
+    #[serde(default = "default_example_value")]
+    pub example_value: i32,
+    #[serde(default = "default_no_startup_msg")]