Added unit testing for animation class

src/BlazeBrigadeTest/AnimationTest.cs

src/BlazeBrigadeTest/BlazeBrigadeTest.csproj

src/BlazeBrigadeTest/bin/Debug/BlazeBrigadeTest.dll

src/BlazeBrigadeTest/bin/Debug/BlazeBrigadeTest.pdb

src/BlazeBrigadeTest/bin/Debug/Blaze_Brigade.exe

src/BlazeBrigadeTest/bin/Debug/Blaze_Brigade.pdb

...st/obj/Debug/BlazeBrigadeTest.csproj.FileListAbsolute.txt

...bug/BlazeBrigadeTest.csprojResolveAssemblyReference.cache

src/BlazeBrigadeTest/obj/Debug/BlazeBrigadeTest.dll

src/BlazeBrigadeTest/obj/Debug/BlazeBrigadeTest.pdb