Detect Palindrome Function (Go)

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🐹 Problem 5: Detect Palindrome Function (Go)

# 🔁 Palindrome Checker

## ❓ Problem Statement

In Go, write a function that checks if a given string is a **palindrome**.  
The comparison should ignore case and consider only alphanumeric characters.

Return `"true"` if it's a palindrome, `"false"` otherwise.

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## 🔢 Input Format

true or false

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## ✅ Constraints

- Length ≤ 1000
- Ignore non-alphanumeric characters

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## 📌 Example Input

A man, a plan, a canal: Panama

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## 🎯 Example Output

true