Add function to add two numbers

[puresweep2]

Description

This PR adds a new file add.go to the repository, which contains a function to add two numbers and return the sum. The function is implemented in Go and follows the naming convention addNumbers.

Summary of Changes

• Created a new file add.go in the root directory of the repository.
• Added the package declaration package main at the top of the file.
• Defined a new function addNumbers that takes two integer parameters and returns their sum.

Please review and merge this PR. Thank you!

Fixes #7.

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[puresweep2]

Rollback Files For Sweep

• Rollback changes to add.go

[puresweep2]

Apply Sweep Rules to your PR?

• Apply: Leftover TODOs in the code should be handled.
• Apply: All new business logic should have corresponding unit tests in the tests/ directory.
• Apply: Any clearly inefficient or repeated code should be optimized or refactored.

[puresweep2]

Apply Sweep Rules to your PR?

• Apply: Leftover TODOs in the code should be handled.
• Apply: All new business logic should have corresponding unit tests in the tests/ directory.
• Apply: Any clearly inefficient or repeated code should be optimized or refactored.

[taherv]

Can you also add another function called "addComplexNumbers" that adds two Complex numbers and returns their sum ?
Do not modify the existing addNumbers function.

[puresweep2]

🚀 Wrote Changes

Done.

[taherv]

Can you add a unit test for addComplexNumbers ? Add it in a file called add_test.go and put that file in the same directory.

[puresweep2]

🚀 Wrote Changes

Done.

[taherv]

Add another test scenario here, for large numbers (e.g. 9 digit imaginary component of the complex number).

[puresweep2]

🚀 Wrote Changes

Done.