chore: update editorconfig

change markdown indent size to 2

.editorconfig

@@ -8,7 +8,7 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.{yml,yaml}]
+[*.{yml,yaml,md}]
 indent_size = 2
 
 [Makefile]

TODO.md

@@ -1,3 +1,5 @@
+# TODO
+
 ## Configuration
 
 - [ ] File MIME type
@@ -40,7 +42,7 @@
 - [x] Refactor HTTP 1
 - [x] Graceful shutdown
 - [x] `keep-alive` timeout setting
--   [x] HTTP Etag: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag#etag_value
+- [x] HTTP Etag: <https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag#etag_value>
 - [x] 304 Not Modified
 - [ ] List directory
 - [x] Content compress