CIF-1496 - Add clientlib dependencies for pickers to README

[herzog31]

Description

• Updated documentation for https://github.com/adobe/aem-core-cif-components/pull/342.

Types of changes

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [X] I have signed the Adobe Open Source CLA.
• [X] My change requires a change to the documentation.
• [X] I have updated the documentation accordingly.
• [X] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes and the overall coverage did not decrease.
• [X] All unit tests pass on CircleCi.
• [X] I ran all tests locally and they pass.

[codecov[bot]]

Codecov Report

Merging #140 into master will decrease coverage by 0.01%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #140      +/-   ##
============================================
- Coverage     87.57%   87.55%   -0.02%     
  Complexity      501      501              
============================================
  Files            35       35              
  Lines          1923     1921       -2     
  Branches        300      300              
============================================
- Hits           1684     1682       -2     
  Misses          103      103              
  Partials        136      136              

Flag	Coverage Δ	Complexity Δ
#integration	48.87% <ø> (+0.05%)	257.00 <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
...nts/configuration/ConfigurationColumnViewItem.java	88.37% <0.00%> (-0.52%)	39.00% <0.00%> (ø%)

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[mhaack]

Merging it, this is readme.md change only.