Adding an editorconfig configuration file.

Check http://editorconfig.org/ for more information.
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..f744516
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,7 @@
+root = true
+[**]
+end_of_line = LF
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+tab_width = 8