Added post-installation WSL2 steps

[martinovicdev]

Description

Updated the docs to include post-installation steps for WSL2 to ensure that database can run properly when wasp start db is run with WSL2. Similar to PR wasp-lang/wasp#2452 in main Wasp repo. Related to issue #351.

Describe your PR! If it fixes specific issue, mention it with "Fixes # (issue)".

Contributor Checklist

Make sure to do the following steps if they are applicable to your PR:

• Update e2e tests: If you changed the /template/app, then make sure to do any neccessary updates to /template/e2e-tests also.
• Update demo app: If you changed the /template/app, then make sure to do any neccessary updates to /opensaas-sh/app_diff also. Check /opensaas-sh/README.md for details.
• Update docs: If needed, update the /opensaas-sh/blog/src/content/docs.

[vincanger]

Everything looks good except we want to merge the commit into main. We now keep everything related to the deployed version of the app at opensaas.sh in the opensaas-sh dir --> https://github.com/wasp-lang/open-saas/tree/main/opensaas-sh/blog

[martinovicdev]

Everything looks good except we want to merge the commit into main. We now keep everything related to the deployed version of the app at opensaas.sh in the opensaas-sh dir --> https://github.com/wasp-lang/open-saas/tree/main/opensaas-sh/blog

Thanks for letting me know. I've changed the branch to main and added content to the MDX file.