- Added list template for sequences. List templates can only be used for sequences.

```yaml
templates:
 - name: CHAN_SEQ
   value:
   - '(?i)\bUHD\b'
   - '(?i)\bFHD\b'
```

The template can now be used for sequence
```yaml
  sort:
    groups:
      order: asc
    channels:
      - field: caption
        group_pattern: "!US_TNT_ENTERTAIN!"
        order: asc
        sequence:
          - "!CHAN_SEQ!"
          - '(?i)\bHD\b'
          - '(?i)\bSD\b'
```

src/utils/string_utils.rs

@@ -65,7 +65,7 @@ pub fn generate_random_string(length: usize) -> String {
 #[cfg(test)]
 mod test {
     use std::collections::HashSet;
-    use crate::utils::generate_random_string;
+    use crate::utils::{generate_random_string, Capitalize};
 
     #[test]
     fn test_generate_random_string() {
@@ -75,4 +75,10 @@ mod test {
         }
         assert_eq!(strings.len(), 100);
     }
+
+    #[test]
+    fn test_capitalize() {
+        assert_eq!("hELLO".capitalize(), "Hello");
+    }
+
 }