<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [ ] Closes: #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx
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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments
<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
* Register .markdown with the correct handler
* Fix spelling
* Move file name extensions from "expect.txt" to "excludes.txt"
* Revert "Move file name extensions from "expect.txt" to "excludes.txt""
This reverts commit 710d5a4968.
I must have misunderstood the instructions.
* Revert "Register .markdown with the correct handler"
This reverts commit 5c37b009f3.
* Work in progress
* Code ready for testing
* Update excludes.txt
* Update excludes.txt
* Update modulesRegistry.h
* Update modulesRegistry.h
For the want of an exclamation mark, a kingdom is lost!
* Update modulesRegistry.h
* Work on modulesRegistry.h per code review in 16180
Removed all previous exclusions from Monaco preview handler. Added a new exclusion: SVGZ. It's a binary file that Monaco cannot, in any meaningful way, read.
* Update expect.txt
* Update accessory files
* Disable machine-wide checks for performance reasons
