Add CI build status

README.md

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-# OTPView
+# OTPView 
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 ## A QT Frontend for E1.59  (Entertainment  Technology  Object  Transform  Protocol  (OTP)) 
 
 Based upon the ESTA 10 January 2019 _Draft_ - Document Number: CP/2018-1034r1
@@ -7,3 +8,7 @@ Extract (emphasis added) from  E1.59
 "This standard describes a mechanism to transfer object transform information such as position, orientation and velocity over an IP network using a subset of the [ACN] protocol suite. It covers data format, data protocol, data addressing, and network management. It does not require real-world location or any association between multiple objects represented in the same message. Consumers must advertise which modules they support, and the systems they are transmitting using the Advertisement mechanisms.
 
 <b>Data transmitted is intended to coordinate visual and audio elements of a production and should not be used for safety critical applications.</b>"
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+Windows: [![Build status (Windows)](https://ci.appveyor.com/api/projects/status/udsl1pusbho1o4c3/branch/master?svg=true)](https://ci.appveyor.com/project/marcusbirkin/otpview-windows)
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+Linux: [![Build status (Linux)](https://ci.appveyor.com/api/projects/status/y1abi0gt1ib2lmlx/branch/master?svg=true)](https://ci.appveyor.com/project/marcusbirkin/otpview-windows)