git-diff-apply

Open a new editor, paste the diff like this:

diff --git a/README.md b/README.md
index 8c8a686..42c6e13 100644
--- a/README.md
+++ b/README.md
@@ -1,70 +1,3 @@
-# git-diff-apply README
+# git-diff-apply

and run the command Apply git diff.