Add unity's High Definition Render Pipeline as SDK (#96)

Author: LaserYGD

descriptions/SDK.UnityHDRP.md

@@ -0,0 +1 @@
+[**HDRP**](https://unity.com/srp/High-Definition-Render-Pipeline) is a high-fidelity Scriptable Render Pipeline built by Unity to target modern (Compute Shader compatible) platforms and powerful hardware.   

rules.ini

@@ -144,4 +144,5 @@ SDL = (?:^|/)sdl2?\.dll$
 Steam_Audio = (?:^|/)(?:lib)?(?:steamaudio|phonon)\.(?:dylib|dll|so)$
 Steam_Networking = (?:^|/)(?:lib)?steamnetworkingsockets\.(?:dylib|dll|so)$
 Tobii = (?:^|/)Tobii
+UnityHDRP = (?:^|/)Unity\.RenderPipelines\.HighDefinition\.(?:Config\.Runtime|Runtime)\.dll$
 Wwise = (?:^|/)AkSoundEngine(?:dll)?\.(?:bundle|dll)$

tests/types/SDK.UnityHDRP.txt

@@ -0,0 +1,4 @@
+/Unity.RenderPipelines.HighDefinition.Config.Runtime.dll
+/Unity.RenderPipelines.HighDefinition.Runtime.dll
+Unity.RenderPipelines.HighDefinition.Config.Runtime.dll
+Unity.RenderPipelines.HighDefinition.Runtime.dll