Fix sdbus++-gen-meson version warning

WARNING: Generated meson files from wrong version of
sdbus++-gen-meson.
WARNING: Expected "sdbus++-gen-meson version 1",
got: sdbus++-gen-meson version 3

Add the regenerate-meson file to automatically update meson.build.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: If1ce533bc0f6bafbe75d05595f9d36f5f652bd45
diff --git a/gen/run-ci b/gen/run-ci
new file mode 100755
index 0000000..d38927a
--- /dev/null
+++ b/gen/run-ci
@@ -0,0 +1,15 @@
+#!/bin/bash
+cd "$(dirname "$0")" || exit
+./regenerate-meson || exit
+rc=0
+git --no-pager diff --exit-code -- . || rc=$?
+untracked="$(git ls-files --others --exclude-standard -- .)" || rc=$?
+if [ -n "$untracked" ]; then
+  echo "Untracked files:" >&2
+  echo "$untracked" >&2
+  rc=1
+fi
+if (( rc != 0 )); then
+  echo "Generated meson files differ from expected values" >&2
+  exit 1
+fi