Make the meta field optional in Asset & Bed Tables

[rabilrbl]

Made meta field optional in Asset & Bed Tables

Closes #765

[gitguardian]

⚠️ GitGuardian has uncovered 1 secret following the scan of your pull request.

Please consider investigating the findings and remediating the incidents. Failure to do so may lead to compromising the associated services or software components.

🔎 Detected hardcoded secret in your pull request

GitGuardian id	Secret	Commit	Filename
-	Generic Private Key	613009a	config/settings/base.py	View secret

🛠 Guidelines to remediate hardcoded secrets

1. Understand the implications of revoking this secret by investigating where it is used in your code.
2. Replace and store your secret safely. Learn here the best practices.
3. Revoke and rotate this secret.
4. If possible, rewrite git history. Rewriting git history is not a trivial act. You might completely break other contributing developers' workflow and you risk accidentally deleting legitimate data.

To avoid such incidents in the future consider

• following these best practices for managing and storing secrets including API keys and other credentials
• install secret detection on pre-commit to catch secret before it leaves your machine and ease remediation.

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[vigneshhari]

are you sure this wont break the fronend?

[sainak]

@rabilrbl recreate the migrations

[sainak]

LGTM

[vigneshhari]

There is something wrong with the migrations, moving to temporary branch to test and push to master.