Split Enums, Structs & Classes into own files

Raylib-cs/ShaderUniformDataType.cs

@@ -0,0 +1,16 @@
+namespace Raylib_cs
+{
+    /// <summary>Shader uniform data type</summary>
+    public enum ShaderUniformDataType
+    {
+        SHADER_UNIFORM_FLOAT = 0,
+        SHADER_UNIFORM_VEC2,
+        SHADER_UNIFORM_VEC3,
+        SHADER_UNIFORM_VEC4,
+        SHADER_UNIFORM_INT,
+        SHADER_UNIFORM_IVEC2,
+        SHADER_UNIFORM_IVEC3,
+        SHADER_UNIFORM_IVEC4,
+        SHADER_UNIFORM_SAMPLER2D
+    }
+}