Installing PostgreSQL : Complete the command for WSL2 in Step 2

[Hriday2406]

Because

The command is half the command given for running in linux and it doesnt give it output so its confusing. The change completes the comand and gives feedback that the command is running

This PR

• Completes the already present command for WSL2 in Step 2 for installing PostgreSQL.

Additional Information

• '@mdfr4nk' from discord helped me for the solution.

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