Add filtering

[A9G-Data-Droid]

Overview

This pull request introduces a new feature to filter projects when generating Mermaid diagrams along with various other improvements and updates. Below are the details of the changes:
Key Changes

1. New Filter Feature

   Purpose: Allow users to exclude projects whose names match a specified filter when generating diagrams.
   Changes Made:
   Added a --filter option to the command-line interface in Program.cs.
   Updated Commands.cs to include a filter parameter for both Project and Solution methods.
   Modified implementations in MermaidDiagram, ClassDiagram, and GraphDiagram to respect the filter parameter.
   Enhanced test cases in CommandsTests.cs to validate filtered content.

2. Codebase Refactoring

   Moved classes/interfaces (DiagramType, IMermaidDiagram, MermaidDiagram) into a new Base subfolder under mermaid-graph/Diagrams.
   Updated namespace references to MermaidGraph.Diagrams.Base.
   Simplified the factory method for retrieving DiagramType.

3. Dependency Updates

   Updated NuGet package versions:
   Microsoft.Build from 17.12.6 to 17.13.9
   Microsoft.Build.Locator from 1.7.8 to 1.9.1
   Microsoft.Build.Utilities.Core from 17.12.6 to 17.13.9
   Microsoft.ClearScript.V8 from 7.4.5 to 7.5.0
   Microsoft.ClearScript.V8.Native.win-x64 from 7.4.5 to 7.5.0
   Testing Libraries:
   MSTest.TestAdapter from 3.7.3 to 3.8.3
   MSTest.TestFramework from 3.7.3 to 3.8.3
   NUnit.Analyzers from 4.6.0 to 4.7.0
   NUnit3TestAdapter from 4.3.2 to 5.0.0

4. New Additions

   Added a version.json file for versioning using Nerdbank.GitVersioning.

5. Documentation Updates

   Updated README.md to include documentation for the new --filter parameter.
   Made a minor style change to the NuGet badge to use flat-round.

6. Testing Enhancements

   Introduced new test cases in MermaidDiagramTests.cs:
   Validate diagram type retrieval.
   Test header initialization for diagrams.
   Improved existing tests:
   Enhanced assertions to validate filter functionality.
   Expanded test coverage for solution and project diagrams.

Summary of Files Changed

Major Feature Updates:
    mermaid-graph/Commands.cs
    mermaid-graph/Program.cs
Refactoring:
    Files moved to mermaid-graph/Diagrams/Base/.
Dependency Updates:
    mermaid-graph.csproj
    mermaid-graphTests.csproj
New Files:
    version.json
    .github/workflows/publish.yml
    mermaid-graphTests/MermaidDiagramTests.cs
Documentation:
    README.md

This PR enhances the functionality and maintainability of the project while introducing new testing and documentation improvements.

[A9G-Data-Droid]

Closes #4
Closes #6