Add gerrit configuration

Change-Id: Ia1cae5de64a00cb13154f071f51857ba4ff5222c
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..fadc6a7
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=git.clicks.codes
+port=29418
+project=Minion/AdventOfCode/2023.git
+defaultbranch=main