Modified the routing article

[bullant]

…outing and switching as a way t better understand routing

Description

I have rewritten the routing article to make a clearer distinction between routing and switching as to understand routing better.

Issue Solved

Closes #6304

Type of Change

• Editing an existing entry (fixing a typo, bug, issues, etc)
• Updating the documentation

Checklist

• [X ] All writings are my own.
• [ X] My entry follows the Codecademy Docs style guide.
• X[ ] My changes generate no new warnings.
• [X ] I have performed a self-review of my own writing and code.
• [X ] I have checked my entry and corrected any misspellings.
• [X ] I have made corresponding changes to the documentation if needed.
• [X ] I have confirmed my changes are not being pushed from my forked main branch.
• [ X] I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• [X ] I have linked any issues that are relevant to this PR in the Issues Solved section.

[CLAassistant]

All committers have signed the CLA.

[mamtawardhani]

Hey @bullant please sign the CLA

[bullant]

Hey @bullant please sign the CLA

Hey @mamtawardhani , I have signed twice now but for some reason it is not showing up as signed here. Please see attached image

[mamtawardhani]

Hey @bullant, so you have raised the PR using this @bullant account, but the commit is made using another account - https://github.com/marit-de-lange this one. Please sign the CLA with that as well.

[marit-de-lange]

Hey @bullant, so you have raised the PR using this @bullant account, but the commit is made using another account - https://github.com/marit-de-lange this one. Please sign the CLA with that as well.

Apologies! I have signed with my second account as well.

[mamtawardhani]

Looks good for a second review!

[Sriparno08]

Looks good to be merged, @bullant!

[github-actions]

👋 @bullant
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