RL algorithm implementation

[coveralls]

Pull Request Test Coverage Report for Build 11141454500

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 162 of 173 (93.64%) changed or added relevant lines in 2 files are covered.
• 5 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+1.2%) to 88.634%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/qutip_qoc/_rl.py	157	168	93.45%
<!--	Total:	162	173	93.64%	-->

Files with Coverage Reduction	New Missed Lines	%
src/qutip_qoc/_optimizer.py	1	85.07%
src/qutip_qoc/_goat.py	1	98.26%
src/qutip_qoc/pulse_optim.py	3	93.68%
<!--	Total:	5		-->

Totals
Change from base Build 9845330822:	1.2%
Covered Lines:	811
Relevant Lines:	915

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💛 - Coveralls

[flowerthrower]

@LegionAtol please take one last look at the minor changes I have made.

1. I reverted to your original solution of using the shorter_pulses kwrd instead of an empty __time__ dict.
2. I ran pre-commit run -a for proper formatting

Once you sign of on these changes, the PR is ready to merge.

[LegionAtol]

Ok, that's fine thanks Patrick