Convert text to various case formats
• UPPERCASE: Converts all characters to uppercase
• lowercase: Converts all characters to lowercase
• Title Case: Capitalizes the first letter of each word
• camelCase: First word in lowercase, subsequent words start with uppercase, removes spaces
• snake_case: Converts all characters to lowercase and replaces spaces with underscores (_)
• kebab-case: Converts all characters to lowercase and replaces spaces with hyphens (-)