Feat: 404 notfound page added with config

[RamakrushnaBiswal]

PR Description 📜

404 notfound page added with config

Fixes #154 solved

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Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

How Has This Been Tested?

• Test A
• Test B

Test Configuration:

• Firmware version:
• Hardware:
• Toolchain:
• SDK:

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• I follow CONTRIBUTING GUIDELINE & CODE OF CONDUCT of this project.
• I have performed a self-review of my own code or work.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generates no new warnings.
• I have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• I have added screenshot for website preview in assets/images
• I have added README.md in my folder

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[RamakrushnaBiswal]

hi @trishanu-init please review the PR

[RamakrushnaBiswal]

Hi @trishanu-init can you give it label 2 I worked this type issues they give it to level 2🙏🙏