Add ambiance interference simulation with sprinkling method

[mhliu0001]

This PR plans to refactor saltax code by @FaroutYLq and add it to fuse.

This is still a work in progress. Closes #177.

[coveralls]

Pull Request Test Coverage Report for Build 8470647461

Details

• 48 of 157 (30.57%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.6%) to 66.157%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
fuse/plugins/detector_physics/s2_photon_propagation.py	5	6	83.33%
fuse/plugins/pmt_and_daq/pmt_response_and_daq.py	5	6	83.33%
fuse/context.py	2	8	25.0%
fuse/plugins/pmt_and_daq/sprinkled_records.py	34	135	25.19%

Totals
Change from base Build 8358669299:	-1.6%
Covered Lines:	1859
Relevant Lines:	2810

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💛 - Coveralls

[HenningSE]

Hi @mhliu0001, do we still need the PR or you want to keep it as an option?

[mhliu0001]

Hi Henning, I want to keep it as an extra option in fuse for the moment. I will get back to this PR when I have time.