[evolution-mapi] Add EditorConfig file

[Corentin Noël <corentinnoel src gnome org>]

commit c9e4830184539e5e07a0e9e231147312791c619a
Author: Corentin Noël <corentin noel collabora com>
Date:   Wed Nov 18 14:16:05 2020 +0100

    Add EditorConfig file
    
    A simple configuration file that specifies the used spacing details.
    
    More information on https://editorconfig.org/

 .editorconfig | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..372335d
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,16 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+
+[*.[ch]]
+indent_style = tab
+insert_final_newline = true
+max_line_length = 100
+tab_width = 8
+
+[CMakeLists.txt]
+indent_style = tab
+tab_width = 8
+