Add pantip clean website to readable data

[phasinA1learn]

Why this PR

Why we need this PR? This PR is for cleaning html tag, website and error message.

Changes

• Add remove_error function
• Add remove_website function

Related Issues

Close #

Checklist

• [ ] PR should be in the Naming convention
• [ ] Assign yourself in to Assigneees
• [ ] Tag related issues
• [ ] Constants name should be ALL_CAPITAL, function name should be snake_case, and class name should be CamelCase
• [ ] complex function/algorithm should have Docstring
• [ ] 1 PR should not have more than 200 lines changes (Exception for test files). If more than that please open multiple PRs
• [ ] At least PR reviewer must come from the task's team (model, eval, data)

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c441682) 94.95% compared to head (6b95346) 94.95%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #250 +/- ## ======================================= Coverage 94.95% 94.95% ======================================= Files 12 12 Lines 337 337 ======================================= Hits 320 320 Misses 17 17 ``` | Flag | Coverage Δ | | |---|---|---| | unittests | `94.95% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=OpenThaiGPT#carryforward-flags-in-the-pull-request-comment) to find out more.

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