[Frontend/UI] Implement Footer Component

[Amarjeet325]

Background/Context

We need to implement the Footer component for the Alien Protocol landing page based on the new provided UI design.

Detailed Tasks Checklist

• Create a responsive Footer component.
• Left column: Alien logo, "ALIEN PROTOCOL", and text "The ultimate interface for the decentralized metaverse explorers."
• "ECOSYSTEM" column (STAKING NODES, MARKETPLACE, GOVERNANCE, BRIDGE).
• "COMPANY" column (ABOUT US, CAREERS, BLOG, TERMS).
• "CONNECT" column with Discord, Twitter, and GitHub icons.
• Copyright text at the bottom.

Acceptance Criteria

• Matches the dark theme and layout.

Reference UI Design