fix: Throw error if url and POSTed resourceType do not match

[rsmayda]

Issue #, if available: awslabs/fhir-works-on-aws-deployment#682

Description of changes: validating that url resourceType and resource's resourceType is the same

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #172 (7e55e9a) into mainline (354a5b6) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           mainline     #172      +/-   ##
============================================
- Coverage     75.92%   75.90%   -0.03%     
============================================
  Files            47       47              
  Lines          1383     1386       +3     
  Branches        292      293       +1     
============================================
+ Hits           1050     1052       +2     
- Misses          333      334       +1     

Impacted Files	Coverage Δ
src/router/bundle/bundleHandler.ts	91.66% <100.00%> (ø)
src/router/handlers/resourceHandler.ts	100.00% <100.00%> (ø)
src/router/validation/validationUtilities.ts	100.00% <100.00%> (ø)
src/router/validation/jsonSchemaValidator.ts	96.29% <0.00%> (-3.71%)	⬇️

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[ssvegaraju]

LGTM!