Re-add backported rename of README file

to satisfy the humongous-ly whiny debian build process

haproxy/patches-stable/0001-doc-minor-backport-README-README.md.patch

@@ -0,0 +1,32 @@
+From 578ef46d7cb57934d51683f1bd373dd2057ee980 Mon Sep 17 00:00:00 2001
+From: Tristan <tristan@mangadex.org>
+Date: Sun, 9 Jun 2024 13:45:47 +0100
+Subject: [PATCH] doc (minor): backport README -> README.md
+
+Without the actual markdown conversion. We don't care and just want the goddamn debian build to pass
+---
+ .gitignore          | 2 +-
+ README => README.md | 0
+ 2 files changed, 1 insertion(+), 1 deletion(-)
+ rename README => README.md (100%)
+
+diff --git a/.gitignore b/.gitignore
+index 0e3b22d90..056f84a82 100644
+--- a/.gitignore
++++ b/.gitignore
+@@ -12,7 +12,7 @@
+ !/BRANCHES
+ !/BSDmakefile
+ !/Makefile
+-!/README
++!/README.md
+ !/INSTALL
+ !/CONTRIBUTING
+ !/MAINTAINERS
+diff --git a/README b/README.md
+similarity index 100%
+rename from README
+rename to README.md
+-- 
+2.45.2
+