docs: adding developer experience section

[CBID2]

• Please check if the PR fulfills these requirements

• The commit message is appropriate
• Docs have been added / updated (for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  This PR adds a subsection on Developer Experience in the Developer Marketing Experience

• What is the current behavior? (You can also link to an open issue here)
  Closes Add Developer Experience section #23

• What is the new behavior (if this is a feature change)?

N/A

• Other information:
  As far as activities goes, I'm thinking it would be helpful to get in contact withDx Mentorship's Developer Relations Mentorship Program to gain some ideas on activities users can do to gain practical experience.

[CBID2]

Hey @akshatvirmani. I made the PR.

[akshatvirmani]

Hello Chrissy @CBID2
I believe there were some problems with this PR. I merged it, and half of our repo was gone!

Can you please check why this happened?

[CBID2]

Hello Chrissy @CBID2

I believe there were some problems with this PR. I merged it, and half of our repo was gone!

Can you please check why this happened?

I don't know what happened @akshatvirmani. I'm just as confused as you are. Maybe a glitch happened? 🤔

[akshatvirmani]

Hello Chrissy @CBID2
I believe there were some problems with this PR. I merged it, and half of our repo was gone!
Can you please check why this happened?

I don't know what happened @akshatvirmani. I'm just as confused as you are. Maybe a glitch happened? 🤔

Could be, but I checked 3-4 times. Can you please check again and make PR?

[CBID2]

Hello Chrissy @CBID2
I believe there were some problems with this PR. I merged it, and half of our repo was gone!
Can you please check why this happened?

I don't know what happened @akshatvirmani. I'm just as confused as you are. Maybe a glitch happened? 🤔

Could be, but I checked 3-4 times. Can you please check again and make PR?

I think it's because you did this: #26

[CBID2]

Hello Chrissy @CBID2
I believe there were some problems with this PR. I merged it, and half of our repo was gone!
Can you please check why this happened?

I don't know what happened @akshatvirmani. I'm just as confused as you are. Maybe a glitch happened? 🤔

Could be, but I checked 3-4 times. Can you please check again and make PR?

I think it's because you did this: #26

Made the new PR @akshatvirmani. It's #27