Added Spell corrector model

[Garvanand]

Closes: #95

• Title :Spell Checker and corrector

• Name: Garv Anand

• Idenitfy yourself: Contributor@SSOC , GSSOC

Describe the add-ons or changes you've made 📃

Made the complete model and also added heirarichal data format files of encoder and decoder

Type of change ☑️

What sort of change have you made:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, local variables)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested? ⚙️

• My code follows the Contributing Guidelines & Code of Conduct of this project.
• This PR does not contain plagiarized content.
• I have performed a self-review of my own code.
• I have commented my code, particularly wherever it was hard to understand.
• My changes generate no new warnings.

Screenshots 📷

Uploading Spell Corrector - Made with Clipchamp.mp4…

Attached video of the working model

Note to reviewers 📄

added the option in the website and integrated with the website and It is working absolutely fine and a small training and working of model is shown in the above video already

[github-actions]

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[Avdhesh-Varshney]

@Garvanand don't commit in main branch and deploy and integrate your model with Jarvis. Also keep it inside the chatbot models.

Attach your working video.