fix(clafrica): whitespaces as alowed chacracters

Now, the user is able to use code who contains spaces

clafrica/src/lib.rs

@@ -61,8 +61,8 @@ pub fn run(config: config::Config, mut frontend: impl Frontend) -> Result<(), io
     for event in rx.iter() {
         let character = event.name.and_then(|s| s.chars().next());
         let is_valid = character
-            .map(|c| c.is_alphanumeric() || c.is_ascii_punctuation())
-            .unwrap_or_default();
+            .map(|c| c.is_alphanumeric() || c.is_ascii_punctuation() || c.is_whitespace())
+            .unwrap_or(false);
 
         match event.event_type {
             EventType::KeyPress(E_Key::Backspace) => {