Added license file

Author: DanielVanNoord

license.md

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+## ASCOM.Alpaca.Simulators Project
+
+Copyright 2021 Daniel Van Noord
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+## 3rd Party packages
+This project uses awesome open source projects. You can find a list here in alphabetical order:
+
+* .Net 5.0 and Asp.Net Core - .NET Foundation and Contributors - MIT License
+* ASCOM Standard - ASCOM Initiative - MIT License
+* Blazored.Toast - Chris Sainty - MIT License
+* Microsoft.AspNetCore.Authorization - Microsoft - Apache 2.0
+* Microsoft.AspNetCore.Identity - Microsoft - Apache 2.0
+* Microsoft.VisualBasic - Microsoft - MIT License
+* NETStandard.Library - .NET Foundation and Contributors - MIT License
+* Newtonsoft.Json - James Newton-King - MIT License
+* SixLabors.ImageSharp - Six Labors and contributors - Apache 2.0
+* Swashbuckle.AspNetCore - Richard Morris - MIT License
+* Windows.Vector - Mono - MIT 
+
+## ASCOM Simulator Code 
+Copyright 1999-2021, ASCOM Initiative
+Special permission has been granted from the ASCOM Initiative to use the code from the ASCOM Platform in this project.