add schema for validating meta field of assets

[iamsdas]

fixes: #799

[codecov-commenter]

Codecov Report

Merging #935 (f916c4f) into master (406b615) will increase coverage by 0.00%.
The diff coverage is 51.51%.

@@           Coverage Diff           @@
##           master     #935   +/-   ##
=======================================
  Coverage   52.84%   52.85%           
=======================================
  Files         181      182    +1     
  Lines        8825     8864   +39     
=======================================
+ Hits         4664     4685   +21     
- Misses       4161     4179   +18     

Impacted Files	Coverage Δ
...are/facility/models/mixins/permissions/facility.py	34.78% <20.00%> (-4.11%)	⬇️
config/authentication.py	34.17% <28.00%> (+2.74%)	⬆️
care/facility/api/viewsets/asset.py	53.02% <57.14%> (-0.13%)	⬇️
care/facility/api/viewsets/mixins/access.py	25.58% <66.66%> (+3.08%)	⬆️
care/facility/models/asset.py	95.52% <66.66%> (-2.87%)	⬇️
care/facility/api/viewsets/patient_consultation.py	63.26% <100.00%> (+0.76%)	⬆️
care/facility/models/json_schema/asset.py	100.00% <100.00%> (ø)
care/facility/models/patient_consultation.py	96.55% <100.00%> (ø)
care/users/models.py	73.94% <100.00%> (+0.18%)	⬆️

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[iamsdas]

We will be needing another migration to handle the existing invalid meta objects. Before I work on that, can someone confirm the correctness of this implementation?

[vigneshhari]

ignore the existing values since we cant really do anything in those cases.

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
1 Security Hotspot
0 Code Smells

No Coverage information
0.0% Duplication