[calls] Add editorconfig

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 5a4fc20c6f4a631a4ab79c88a413bf1b5be83c3d
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu May 12 18:55:06 2022 +0200

    Add editorconfig

 .editorconfig | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
---
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000..29f9fcd8
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,29 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[meson.build]
+indent_size = 2
+tab_size = 2
+indent_style = space
+
+[*.{c,h,c.in,h.in}]
+indent_size = 2
+tab_size = 2
+indent_style = space
+max_line_length = 100
+
+[*.css]
+indent_size = 2
+tab_size = 2
+indent_style = space
+
+[*.{xml,ui}]
+indent_size = 2
+tab_size = 2
+indent_style = space
+