feat: add http-dubbo plugin #1648

Job	Run time
run ci on redhat ubi (lua-resty-worker-events, t/plugin/[a-k]*)	29s
run ci on redhat ubi (lua-resty-worker-events, t/plugin/[l-z]*)	1m 9s
run ci on redhat ubi (lua-resty-worker-events, t/admin t/cli t/config-center-yaml t/control t/cor...	43s
run ci on redhat ubi (lua-resty-worker-events, t/node t/pubsub t/router t/script t/secret t/strea...	28s
run ci on redhat ubi (lua-resty-events, t/plugin/[a-k]*)	28s
run ci on redhat ubi (lua-resty-events, t/plugin/[l-z]*)	1m 22s
run ci on redhat ubi (lua-resty-events, t/admin t/cli t/config-center-yaml t/control t/core t/deb...	1m 3s
run ci on redhat ubi (lua-resty-events, t/node t/pubsub t/router t/script t/secret t/stream-node ...	1m 54s
	7m 36s

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