HTML Error Checker

# Description
Check the HTML for errors. This extension will teach HTML error and page source.

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# Releases
## Version 0.6.0.2
- Fixed a bug that prevented checking for HTML errors under certain conditions
## Version 0.6.0.1
- Fixed a bug where the page was automatically checked even when "Enable auto check" was turned off.
- Updated the logic for retrieving the page source.
## Version 0.6.0.0
- Tentatively, Manifest V3 is supported (some functions have not yet been completed, but we will hurry to support them as soon as possible. We apologize for any inconvenience.)
## Version 0.5.0.4
- Adjust Privacy and & Permission.
## Version 0.4.0.3
- Fix some bugs
"Enable auto check" was not working at the time of first.
## Version 0.4.0.2
- You can check local files (file://~~)
- Add notification for update information
## Version 0.3.3.1
- Add option page
- You can set some rule for warning.
ex) If the page has test server url, you will know it.
- Fix some bugs
## Version 0.2.12
- Adjust Japanese lang file
## Version 0.2.11
- Add auto check function
## Version 0.1.32
- Adjust source code
- Adjust all icon
- Fix some bugs
## Version 0.1.31
- Change extension's icon.
## Version 0.1.30
- Change extension's name. (Tag -> Error)
- HTTPS support
- Multi window support
## Version 0.1.20
- manifest 2 support
## Version 0.0.30
- correct langage setting.
- corresponded to manifest 2.
- Modified to ignore element in comment and script.
- Ignore tag in script & comment elements
- English & Chinese support
- Fix some bugs

powerd by fine. thanks :)

Sorry, I'm not good at English :(