Dropdown need to add at navbar

[vimal-java-dev]

• Dropdown added to the navbar.
• Navbar item link put in dropdown toggle.
• Rename some item.
• Offering instead Services-Preview.
  • Expertise dropdown toggle with,
  • Skills, Projects, Portfolio.
• Desktop version + Mobile version

[vimal-tech-starter]

Assign me.

[vimal-java-dev]

PR #21 Merged.