[gcr/main] Add .editorconfig file

[Corentin Noël <corentinnoel src gnome org>]

commit e737af273f9b927f4623a70b4509b582685a5049
Author: Corentin Noël <corentin noel collabora com>
Date:   Tue Dec 7 17:09:11 2021 +0100

    Add .editorconfig file

 .editorconfig | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
---
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..d12b075
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,20 @@
+# SPDX-FileCopyrightText: 2021 The GCR Authors
+# SPDX-License-Identifier: CC0-1.0
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+
+[*.[ch]]
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+tab_width = 8
+
+[meson.build]
+indent_size = 2
+indent_style = space
+