Add .editorconfig

Set code style for various editors.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20191009102025.10179-2-marcandre.lureau@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

.editorconfig

@@ -0,0 +1,30 @@
+# EditorConfig is a file format and collection of text editor plugins
+# for maintaining consistent coding styles between different editors
+# and IDEs. Most popular editors support this either natively or via
+# plugin.
+#
+# Check https://editorconfig.org for details.
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+
+[Makefile*]
+indent_style = tab
+indent_size = 8
+file_type_emacs = makefile
+
+[*.[ch]]
+indent_style = tab
+indent_size = 8
+
+[*.py]
+indent_size = 4
+
+[meson.build]
+indent_style = space
+indent_size = 2