feat: stop then start listener

[qzhuyan]

Improve listener API,

• add API to stop and restart the listener with Listener handle
• fix config resource leaks in listener
• rename start_listener to spawn listener for supervised listener
• rename stop_listener to terminate listener for supervised listener

[coveralls]

Pull Request Test Coverage Report for Build 5939009032

• 70 of 86 (81.4%) changed or added relevant lines in 5 files are covered.
• 5 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.2%) to 82.795%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/quicer.erl	13	14	92.86%
src/quicer_nif.erl	0	2	0.0%
c_src/quicer_listener.c	52	65	80.0%

Files with Coverage Reduction	New Missed Lines	%
src/quicer_stream.erl	1	72.22%
c_src/quicer_nif.c	4	76.92%

Totals
Change from base Build 5936455597:	-0.2%
Covered Lines:	2897
Relevant Lines:	3499

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💛 - Coveralls