Release 1.0

• Creates word_list.txt if it doesn't exist.
• Checks for and removes duplicate words in the list.
• Sorts the word list alphabetically.
• Allows users to add new words interactively.
• Prevents adding duplicate words and notifies the user.
• Displays the number of duplicates found and the total number of unique words at startup.
• Stores the word list in the text file word_list.txt.