Add Interview Preparations

[Tikam02]

Add more contents on DevOps-Guide/Interview/

• Interview Preparations
• Exercises Topics
• Checklists

[Tikam02]

thanks @akshayamadhuri PR is merged 👍🏻

[AnshuWorld]

i want to contribute here sir please give me permission

[LadegbayeStella]

Hi,

I'm eager to contribute, please assign