Change NonlinearSolve enums to SciMLBase enums

[utkarsh530]

Provides compatibility to execute solves on GPU.

[codecov]

Codecov Report

Merging #92 (a737b3e) into master (22ed463) will not change coverage.
The diff coverage is 0.00%.

❗ Current head a737b3e differs from pull request most recent head 2e26ff2. Consider uploading reports for the commit 2e26ff2 to get more accurate results

@@          Coverage Diff           @@
##           master     #92   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files           8       8           
  Lines         459     459           
======================================
  Misses        459     459           

Impacted Files	Coverage Δ
src/bisection.jl	0.00% <0.00%> (ø)
src/falsi.jl	0.00% <0.00%> (ø)
src/scalar.jl	0.00% <0.00%> (ø)
src/solve.jl	0.00% <0.00%> (ø)
src/types.jl	0.00% <ø> (ø)

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