Issue 464: Adding support for configuring pdb

[anishakj]

Signed-off-by: anishakj [email protected]

Change log description

Added support for configuring pdb
Also made crds in charts sync with config/crd/bases/crd

Purpose of the change

Fixes #464

What the code does

Provide support to configure pdb

How to verify it

All e2e should pass

[codecov]

Codecov Report

Merging #466 (420fe2b) into master (a045229) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #466      +/-   ##
==========================================
+ Coverage   85.01%   85.04%   +0.02%     
==========================================
  Files          12       12              
  Lines        1602     1605       +3     
==========================================
+ Hits         1362     1365       +3     
  Misses        155      155              
  Partials       85       85              

Impacted Files	Coverage Δ
api/v1beta1/zookeepercluster_types.go	98.80% <100.00%> (+0.01%)	⬆️
pkg/zk/generators.go	100.00% <100.00%> (ø)

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[nishant-yt]

LGTM