Initial commit, verify maven and unit tests, self

This commit adds initial versions of verify-unit-tests and
verify-maven shared workflows, as well as actionlint check for the
shared workflows themselves.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: Ib9d47b7fa62eee48e213a14484e9ff33d6967551
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..d6ed312
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.lfbroadband.org
+port=29418
+project=shared-workflows.git
+defaultbranch=main