Summary: Added Promo Codes section

Why It Matters: This change adds new content about promo codes.

What Changed:

• Added a new "Promo Codes" section to the main menu.
• Added specific promo code links for Betano, 1xBet, Stake, 22Bet, Linebet, Megapari, and Paripesa.
• Removed specific league predictions like Argentina Primera C, Brazil Serie B, Denmark Danish Cup, England Professional Development League, International Friendlies, and Wales Welsh Premier League from the main content area.
• Removed specific match predictions from the main content area.
• Changed the order of "Bonus News" and "Free Bets in Nigeria" under "Best Welcome Bonuses".
• Removed "Birthday Bonuses in Nigeria" and "Cashback bonuses in Nigeria" from the main menu under "Best Welcome Bonuses".
• Added "Birthday Bonuses in Nigeria" and "No deposit bonus in Nigeria" under "Best Welcome Bonuses" in the second navigation block.
• Removed "Cashback bonuses in Nigeria" from the second navigation block under "Best Welcome Bonuses".
• Updated the dates for daily predictions.
• Removed specific league links from the "All Leagues" section.
• Added new footer sections: "Company Info", "Bookmaker Info", "Resources", and "Promo Codes".
• Added a language selector for "International" and "French".
• Added a new copyright notice and cookie consent section.