### Environment - scule: 1.3.0 - Node: v20.13.0 ### Reproduction ```js titleCase('hello, world!') // actual: Hello, world! // expected: Hello, World! titleCase('is_technical') // actual: is Technical // expected: Is Technical ``` ### Describe the bug According to the documentation, `titleCase` is supposed to capitalize all words. Even function words like "is," if they appear as the first word, should be capitalized. ### Additional context _No response_ ### Logs _No response_