Add a basic .editorconfig file

This just sets some basic file properties; character encoding, line
endings, tabs vs spaces etc and is _not_ a replacement for a code
formatter like indent(1) or clang-format.

Link: <https://editorconfig.org/>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000..86ae7df5
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,31 @@
+root = true
+
+[{configure,{*.{c,cpp,h,go,java,js,py,rs}}]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+[Makefile]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = tab
+indent_size = 8
+
+[{auto/**,*.toml}]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.yaml]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2