Add a .gitreview file

This makes dealing with gerrit from the commandline easier with the
git-review tool.

Change-Id: I510e837715599f5edf7e0441f78cacc2f0127ed4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/42
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..a9ccaa2
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=review.sourcearcade.org
+port=29418
+project=flashprog
+defaultbranch=main