Add Vulkan triangle integration path

tests/RHI/integration/triangle/Res/Shader/triangle_vulkan.vert

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) in vec4 aPosition;
+layout(location = 1) in vec4 aColor;
+
+layout(location = 0) out vec4 vColor;
+
+void main() {
+    gl_Position = aPosition;
+    vColor = aColor;
+}