feat(components): add navigation bar component

[desmondinho]

Description

Add the navbar component, along with the brand, toggle, menu, menu item, content and item components, to the component library.

Closes #38

What's been done?

Added the components mentioned above with the following abilities:

Navbar: A component representing a navigation bar

• Set the child content

• Set the height

• Set the maximum width of the wrapper (e.g., sm, md, lg)

• Set the sticky state (sticky to the top of the viewport)

• Set the blurred state (backdrop blur)

• Set the bordered state (bottom border)

• Set CSS class names for each item slot

  Navbar brand: A component representing the brand section of the navigation bar

• Set the child content

Navbar content: A component representing the content section of the navigation bar

• Set the child content

• Set the alignment (e.g., left, right)

  Navbar item: A component representing a navigation item within the content section

• Set the child content

  Navbar menu: A component representing a collapsible menu for the navigation bar

• Set the child content

• Get expanded by the NavbarMenuToggle

  Navbar menu item: A component representing a navigation item within the menu

• Set the child content

  Navbar menu toggle: A component representing a button that toggles the menu

• Toggle the menu

  Navbar context: A class representing the navigation bar context

• Hold the Navbar component

• Hold the NavbarMenu component

• Hold the menu component's expansion state

• Register the menu

• Toggle the menu

  Navbar slots: A class representing the various slot configurations for the Navbar

1. Root: the slot for the Navbar, it is the main container.
2. Wrapper: the slot for the Navbar component, it contains components such as NavbarBrand, NavbarContent, NavbarToggle and others.
3. Brand: the slot for the NavbarBrand component.
4. Content: the slot for the NavbarContent component.
5. Item: the slot for the NavbarItem component.
6. Menu: the slot for the NavbarMenu component.
7. MenuItem: the slot for the NavbarMenuItem component.
8. Toggle: the slot for the NavbarMenuToggle component.
9. ToggleIcon: the slot for the NavbarMenuToggle icon.

Checklist

• [x] My code follows the project's coding style and guidelines.
• [x] I have included inline docs for my changes, where applicable.
• [x] I have added, updated or removed tests according to my changes.
• [x] All tests are passing.
• [x] There's an open issue for the PR that I am making.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.09524% with 2 lines in your changes missing coverage. Please review.

Project coverage is 98.22%. Comparing base (b539213) to head (b3ee682). Report is 1 commits behind head on main.

Files	Patch %	Lines
src/LumexUI/Components/Navbar/LumexNavbar.razor.cs	93.75%	0 Missing and 1 partial :warning:
...LumexUI/Components/Navbar/LumexNavbarMenu.razor.cs	94.44%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #39 +/- ## ========================================== - Coverage 98.24% 98.22% -0.02% ========================================== Files 43 52 +9 Lines 968 1067 +99 Branches 101 104 +3 ========================================== + Hits 951 1048 +97 Misses 12 12 - Partials 5 7 +2 ```

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