chore: ignore coding-standard update 1.2.2 in git blame

https://docs.github.com/en/repositories/working-with-files/using-files/viewing-a-file#ignore-commits-in-the-blame-view

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

.git-blame-ignore-revs

@@ -0,0 +1,3 @@
+# .git-blame-ignore-revs
+# Update to coding-standard 1.2.2
+f8a202a56fa45abe334e92369fbf0439448bad58

README.md

@@ -74,6 +74,10 @@ Otherwise, git checkouts can be handled the same as release archives, by using t
 
 - Comment on a pull request with `/update-3rdparty` to update the 3rd party submodule. It will update to the last commit of the 3rd party branch named like the PR target.
 
+#### Ignore code style updates in git blame
+
+`git config blame.ignoreRevsFile .git-blame-ignore-revs`
+
 ## Contribution guidelines 📜
 
 All contributions to this repository from June 16, 2016, and onward are considered to be