Add appveyor file.

appveyor.yml

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+version: 0.9.{build}
+
+# scripts that runs after repo cloning.
+install:
+  - vcsetup.bat
+
+platform: x64
+configuration: Release
+
+build:
+  parallel: true
+  project: TinyGLTFSolution.sln

premake4.lua

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+sources = {
+   "test.cc",
+   }
+
+-- premake4.lua
+solution "TinyGLTFLoaderSolution"
+   configurations { "Release", "Debug" }
+
+   if (os.is("windows")) then
+      platforms { "x32", "x64" }
+   else
+      platforms { "native", "x32", "x64" }
+   end
+
+   -- A project defines one build target
+   project "tinygltfloader"
+      kind "ConsoleApp"
+      language "C++"
+      files { sources }
+
+      configuration "Debug"
+         defines { "DEBUG" } -- -DDEBUG
+         flags { "Symbols" }
+         targetname "test_tinygltfloader_debug"
+
+      configuration "Release"
+         -- defines { "NDEBUG" } -- -NDEBUG
+         flags { "Symbols", "Optimize" }
+         targetname "test_tinygltfloader"

vcsetup.bat

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+.\\tools\\windows\\premake5.exe vs2013