style: add .editorconfig file

Add an `.editorconfig` file to the source root in order to document the
preferred source code indentation style.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 9 insertions, 0 deletions

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..c881546
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = tab
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true