Enhance Distributed Tracing Documentation

[diazjf]

Corrects a few items in the Zipkin Collector Example. Adds a Example of setting up the Jaeger Collector.

[codecov-io]

Codecov Report

Merging #2697 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2697   +/-   ##
=======================================
  Coverage   40.93%   40.93%           
=======================================
  Files          72       72           
  Lines        5084     5084           
=======================================
  Hits         2081     2081           
  Misses       2715     2715           
  Partials      288      288

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9dd12d0...7370694. Read the comment docs.

[aledbf]

/approve
/lgtm

[aledbf]

@diazjf thanks!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf, diazjf

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [aledbf]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment