Sweep: Create a navbar (✓ Sandbox Passed)

[jackeldestripat]

Description

This pull request adds a new header section to the base.html file, including a navigation bar with links to various pages on the website.

Summary

• Variables: No new variables introduced in this pull request.
• Files: Added the base.html file which includes the following changes:
  • Updated the header section of the page with a background color and some padding for aesthetics.
  • Introduced a new navigation bar (nav) with links to About, Careers, History, Services, Projects, and Blog pages. The text color of these links is gray with a hover effect that slightly lightens the color.
• Directories: No new directories introduced in this pull request.

Fixes #26.

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[jackeldestripat]

Rollback Files For Sweep

• [ ] Rollback changes to base.html

[jackeldestripat]

Apply Sweep Rules to your PR?

• [ ] Apply: All new business logic should have corresponding unit tests.
• [ ] Apply: Refactor large functions to be more modular.
• [ ] Apply: Add docstrings to all functions and file headers.