RCA Metrics - refactored

[obecny]

Which problem is this PR solving?

• Based on
  metrics, add support for auto collecting default recommended metrics opentelemetry-js#623
  and
  Auto Metrics collector like micrometer.io for java opentelemetry-js#955

Short description of the changes

• Adds package to collect Metrics
• Tests are ignored until this PR is merged: IMPORTANT - Fixing collecting data from observers when using batch observer in first run opentelemetry-js#1470

[codecov]

Codecov Report

Merging #190 into master will decrease coverage by 2.63%.
The diff coverage is 23.76%.

@@            Coverage Diff             @@
##           master     #190      +/-   ##
==========================================
- Coverage   95.22%   92.59%   -2.64%     
==========================================
  Files          93       80      -13     
  Lines        4756     4943     +187     
  Branches      492      495       +3     
==========================================
+ Hits         4529     4577      +48     
- Misses        227      366     +139     

Impacted Files	Coverage Δ
packages/opentelemetry-rca-metrics/src/version.ts	0.00% <0.00%> (ø)
...ages/opentelemetry-rca-metrics/test/metric.test.ts	23.88% <23.88%> (ø)
node/opentelemetry-plugin-mongodb/.eslintrc.js
...eb/opentelemetry-plugin-document-load/.eslintrc.js
...ode/opentelemetry-koa-instrumentation/.eslintrc.js
...de/opentelemetry-hapi-instrumentation/.eslintrc.js
node/opentelemetry-plugin-redis/.eslintrc.js
node/opentelemetry-plugin-ioredis/.eslintrc.js
node/opentelemetry-plugin-mysql/.eslintrc.js
plugins/node/opentelemetry-plugin-pg/.eslintrc.js
... and 9 more