.NET SDK doc revamp

[Odonno]

Improve .NET SDK docs by following the changes made in the JS SDK.

• Add links to example projects
• Add Data Types and Getting started pages
• Split existing doc into My first project, Connection Strings and Dependency Injection pages
• Split SDK methods into each category
• Minor tweaks to make the JS and .NET SDK similar cc. @kearfy
  • Reorder data types table to put Native types first
  • Switch Data querying and Live Queries category position, as querying should logically come before LQ
  • Fix typos
• Improve Live Queries documentation page

The new categories:

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[Odonno]

After another review, I still have a question as to why the info method is in Initialization. I have the feeling that it should be placed in Authentication section.