Added Calculator

[BhagatHarsh]

Used the default Eval function to handle all the calculations

Fixes

Fixes #34 by @BhagatHarsh

Types of changes

• [ ] Bug/Hot fix (non-breaking change which fixes an bug)
• [x] New feature (non-breaking change which adds a functionality/feature)
• [ ] Refactoring Old Code ( non-breaking change replacing already existing code)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

Just addes a simple calculator to the website. you never know when you need it!

Preview Link

The changes are really minor but you can preview by cloning my fork here

Here's how it looks.

Checklist:

• [x] I have read the CONTRIBUTING guidelines in repository.
• [x] My pull request has a descriptive title and is attached to an existing issue.
• [x] I haven't repeated the code and it follows established code style of repository.
• [x] My branch is up-to-date with upstream branch.

[TechSpiritSS]

Share me GitHub pages link instead of repository link as it'll be difficult for me to manage clone of everyone's repository

[BhagatHarsh]

Please try it out from here link

[TechSpiritSS]

Great 🚀 but as stated on Discord I am not accepting PR till the file split is completed by @PiXeL99-eng in the meantime, you can try to make it better by fixing this as well

https://user-images.githubusercontent.com/76687985/210839866-1ae55caf-ad6e-4700-99ac-e783eb640f82.mp4

A simple whitespace hack will fix this one.

[BhagatHarsh]

Im on it!

[BhagatHarsh]

@TechSpiritSS Please review the changes. The preview is here.

[TechSpiritSS]

Great 🚀