Add the respective content image

[chanekarayush]

Added a video displaying the process to create an account and other ways to sign up.

Fixes #345

Changes done:

• [x] Added a video explaining the sign up process.

Screenshots:

Before:

After:

Preview Link(s):

1gettingstarted.md 2.1.2.png

https://github.com/CircuitVerse/CircuitVerseDocs/assets/101915135/3365f76b-ede9-4a14-b4ac-9f11f98766f9

✅️ By submitting this PR, I have verified the following

• [x] Checked to see if a similar PR has already been opened 🤔️
• [x] Reviewed the contributing guidelines 🔍️
• [] Sample preview link added (add a link from the checks tab after checks complete)

  Tried to add it but apparently the build failed on netlify due to an error. Don't know how to fix that.

• [x] Tried Squashing the commits into one