Add DOSBox Windows Support

[SergioMartin86]

Pull request to improve the way hard disk drives are handled and facilitate the creation of windows images

• Fix function naming to PascalCase
• Add support and verification movie for Windows 3.1
• Add support and verification movie for Windows 95
• Add support and verification movie for Windows 98
• Add HDD dumping option
• Proper GUI placement of HDD Export
• Fix issue [DOS] BizHawk crashes on the next session after preserving a high-volume HDD #4296
• Fix issue where the core reported cumulative timing, instead of per-frame timing
• Increased priority of DOSBox formats over unsupported cores in disc detection logic

Optional:

• Add support for Windows 2000 (won't initiate setup)
• Add support for Windows XP (will fail during file copying phase)

Check if completed:

• I have run any relevant test suites
• I, the committer, have read the licensing terms for contributors (last updated 2024-06-22) and am compliant

[vadosnaprimer]

Context #3951.

[YoshiRulz]

Code LGTM

[nattthebear]

This all seems to make sense to me; in particular, the usage of waterbox VFS should all be correct.

[vadosnaprimer]

Thanks again for all the work!