Add .git-blame-ignore-revs for cleaner blames

While we avoid mass reformat commits in general, there's been a couple
necessary ones in the past that result in harder to read blames. This
file will automatically fix them on GitHub and can fix local blames with
one command after checkout.

Author: zeux

.git-blame-ignore-revs

@@ -0,0 +1,17 @@
+# This file contains a list of Git commit hashes that should be hidden from the
+# regular Git history. Typically, this includes commits involving mass auto-formatting
+# or other normalizations. Commit hashes *must* use the full 40-character notation.
+# To apply the ignore list in your local Git client, you must run:
+#
+#   git config blame.ignoreRevsFile .git-blame-ignore-revs
+#
+# This file is automatically used by GitHub.com's blame view.
+
+# Convert CRLF to LF everywhere
+bb4aa0e1372751b74425e77c9a42f972971568bf
+
+# js: Reformat all sources with Prettier
+3dea31b5c248594a62f49a3e41fc88d7ceae2de3
+
+# Reformat workflow YAML files with Prettier
+52e8e1f61712928a36b5257a894bb098a4a98b22