Merge pull request OAI#1469 from OAI/dm/implementation

Added the Microsoft OpenApi.Net library

Author: webron

IMPLEMENTATIONS.md

@@ -13,7 +13,7 @@ These tools are not necessarily endorsed by the OAI.
 | KaiZen OpenAPI Parser | [GitHub/RepreZen/KaiZen-OpenAPI-Parser](https://github.com/RepreZen/KaiZen-OpenAPI-Parser) | Java | High-performance Parser, Validator, and Java Object Model for OpenAPI 3.x |
 | openapi3-ts | [GitHub/metadevpro/openapi3-ts](https://github.com/metadevpro/openapi3-ts) | TypeScript | TS Model & utils for OpenAPI 3.0.x contracts |
 | swagger2openapi | [GitHub/mermade/swagger2openapi](https://github.com/mermade/swagger2openapi) | Node.js | An OpenAPI / Swagger 2.0 to OpenAPI 3.0.x converter and validator |
-| Tavis.OpenApi | [GitHub/tavis-sofware/Tavis.OpenApi](https://github.com/tavis-software/Tavis.OpenApi/) | dotnet | C# based parser with definition validation and migration support from V2 |
+| Microsoft.OpenApi.net | [GitHub/microsoft/OpenApi.net](https://github.com/microsoft/openapi.net/) | dotnet | C# based parser with definition validation and migration support from V2 |
 | odata-openapi | [GitHub/oasis-tcs/odata-openapi](https://github.com/oasis-tcs/odata-openapi) | XSLT | OData 4.0 to OpenAPI 3.0.0 converter |
 | openapi3_parser | [GitHub/kevindew/openapi3_parser](https://github.com/kevindew/openapi3_parser) | Ruby | A Ruby implementation of parser and validator for the OpenAPI 3 Specification |