builder: Add repo source & docs

Signed-off-by: Mubashshir <ahmubashshir@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/DOCS.md b/DOCS.md
index 64aaacf..dcbb6ae 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -19,3 +19,7 @@ $ buildroot build bullseye armhf
 # Update buildroot for [distro]:[arch]
 $ buildroot update bullseye armel
 ```
+
+#### repo usage
+This is just a simple wrapper around `reprepro`, set `REPO_BASE` to the rootdir of
+the reprepro repository, everything else is like `reprepro`