📝 Add Edit Task Feature

[Darshan82775]

✨ Feature Request: Edit Task Option

📌 Description:

Currently, this To-Do app supports:

• Adding tasks
• Marking tasks as completed
• Deleting tasks

But it does not allow editing a task after adding.

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🛠️ Suggested Solution:

• Add an 🖊️ Edit button beside each task
• When clicked, task becomes editable (contenteditable or input field)
• Press Enter or click ✅ to save the changes
• Update localStorage with new task text

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✅ Why It's Important:

• Helps users fix typos or change task names
• Makes app more flexible and user-friendly
• Takes the app closer to real-life tools like Google Keep / Notion

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