Added basic .editorconfig configuration

.editorconfig

@@ -0,0 +1,13 @@
+# Top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Set the charset, and space indention
+[*.java]
+charset = utf-8
+indent_style = space
+indent_size = 4