chore: add debug flag + housekeeping

lib/main.rs

@@ -31,8 +31,17 @@ pub struct TagState {
     pub urgent: bool,
 }
 
-#[derive(Default, Deserialize)]
+#[derive(Deserialize)]
 pub struct Config {
     pub prepopulate: u8,
     pub strict: bool,
 }
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            prepopulate: 3,
+            strict: true,
+        }
+    }
+}