enh(git): ignore formatting commits in git blame

* 96662f1 contains whitespace changes only.

This file will be picked up automatically by github.
Instructions for configuring git locally are included in
.git-blame-ignore-revs file.

Signed-off-by: Max <max@nextcloud.com>

.git-blame-ignore-revs

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# Run this command to always ignore formatting commits in `git blame`
+# git config blame.ignoreRevsFile .git-blame-ignore-revs
+
+96662f16597bfe670fcb4a64575386874fefea9d