[DateTime] - Coding Explanation about DateTime and Timestamp

[F4NT0]

Create a complete DateTime examples to use in C# with .NET

• Create a simple .cs file with the available methods.
• Document inside the code from each method.
• Create the .md file with the explanation of this Data Structure into the FantoDocs Website.
• Link this issue into any Commit made into the project, using the # value from the issue: Ex. (Feature(#1) - Created example of code).
• Create a link from this code file into the website.
• Create a post into Linkedin with the new explanation about this Data Structure using Canva.

DateTime Infos

• Official Documentations:
  - Microsoft Learn - DateTime
  - Microsoft Learn - TimeZoneInfo