Light Switch: Fix spellcheck and add version info to LightSwitchModuleInterface (#42220)

## Summary of the Pull Request

This PR addresses spellchecking issues in Light Switch module:

- Resolves the forbidden pattern “`, otherwise`” by rewriting it as “`;
otherwise`”.
- Updates `resource.h`, which was previously empty and therefore treated
as a binary file by the spellchecker.
The file now includes standard version information consistent with other
projects, ensuring it is properly recognized and that the correct
version information is included in
`PowerToys.LightSwitchModuleInterface.dll`.

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## 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

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wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

src/modules/LightSwitch/LightSwitchModuleInterface/dllmain.cpp

@@ -460,7 +460,7 @@ public:
             }
             else if (hotkeyId == 0)
             {
-                // get current will return true if in light mode, otherwise false
+                // get current will return true if in light mode; otherwise false
                 Logger::info(L"[Light Switch] Hotkey triggered: Toggle Theme");
                 if (g_settings.m_changeSystem)
                 {