feat: `NonlinearSolveBase` + `BracketingNonlinearSolve` + `SimpleNonlinearSolve` #56

Job	Run time
test (min, ubuntu-latest, core)	11m 18s
test (min, ubuntu-latest, adjoint)	9m 53s
test (min, ubuntu-latest, alloc_check)	8m 54s
test (min, macos-latest, core)	8m 41s
test (min, macos-latest, adjoint)	6m 27s
test (min, macos-latest, alloc_check)	6m 24s
test (min, windows-latest, core)	13m 16s
test (min, windows-latest, adjoint)	12m 15s
test (min, windows-latest, alloc_check)	10m 21s
test (1, ubuntu-latest, core)	13m 34s
test (1, ubuntu-latest, adjoint)	13m 5s
test (1, ubuntu-latest, alloc_check)	12m 1s
test (1, macos-latest, core)	15m 15s
test (1, macos-latest, adjoint)	8m 9s
test (1, macos-latest, alloc_check)	8m 51s
test (1, windows-latest, core)	25m 50s
test (1, windows-latest, adjoint)	13m 44s
test (1, windows-latest, alloc_check)	13m 25s
	3h 31m 23s

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