Adding proper .editorconfig to have proper indention everywhere out of box

Author: nataraj-hates-MS-for-stealing-github

.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://editorconfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 2