Add project files.

Beam.Exports/IExporter.cs

@@ -0,0 +1,19 @@
+namespace Beam.Exports {
+    public interface IExporter {
+        /// <summary>
+        /// Synchronously writes the object to the desired path, creating it if it does not exist.
+        /// </summary>
+        /// <param name="path">The path of the exported object</param>
+        public void Write(string path);
+
+        protected void EnsurePathExists(string path) {
+            if (File.Exists(path)) {
+                File.Delete(path);
+                return;
+            }
+            else if (!Directory.Exists(path))
+                Directory.CreateDirectory(path);
+        }
+
+    }
+}