chore: update README

[mayurkale22]

No description provided.

[codecov-io]

Codecov Report

Merging #462 into master will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #462     +/-   ##
=========================================
- Coverage   95.21%   95.12%   -0.1%     
=========================================
  Files         125      124      -1     
  Lines        6274     6151    -123     
  Branches      516      515      -1     
=========================================
- Hits         5974     5851    -123     
  Misses        300      300

Impacted Files	Coverage Δ
...ages/opentelemetry-plugin-http/test/utils/utils.ts	33.33% <0%> (-23.81%)	⬇️
...ges/opentelemetry-exporter-zipkin/src/transform.ts	100% <0%> (ø)	⬆️
.../opentelemetry-exporter-zipkin/test/zipkin.test.ts	100% <0%> (ø)	⬆️
.../opentelemetry-plugin-dns/test/utils/assertSpan.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-metrics/src/Utils.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-metrics/test/Meter.test.ts	100% <0%> (ø)	⬆️
...try-plugin-dns/test/functionals/dns-enable.test.ts	100% <0%> (ø)	⬆️
...entelemetry-exporter-zipkin/test/transform.test.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-metrics/src/types.ts
...kages/opentelemetry-plugin-dns/test/utils/utils.ts	57.14% <0%> (+23.8%)	⬆️