feat(api): Bundles API: add the includeProjectSourceLanguage property

[innomaxx]

Closes #169

[codecov-commenter]

Codecov Report

Merging #173 (547ba55) into master (8b27210) will decrease coverage by 0.07%.
Report is 6 commits behind head on master.
The diff coverage is 9.10%.

@@             Coverage Diff              @@
##             master     #173      +/-   ##
============================================
- Coverage     51.12%   51.05%   -0.07%     
- Complexity      899      904       +5     
============================================
  Files           414      417       +3     
  Lines          3844     3865      +21     
  Branches         93       94       +1     
============================================
+ Hits           1965     1973       +8     
- Misses         1856     1869      +13     
  Partials         23       23              

Files Changed	Coverage Δ
...in/java/com/crowdin/client/bundles/BundlesApi.java	92.00% <ø> (ø)
...crowdin/client/bundles/model/AddBundleRequest.java	0.00% <0.00%> (ø)
.../java/com/crowdin/client/bundles/model/Bundle.java	41.67% <100.00%> (+5.31%)	⬆️

... and 3 files with indirect coverage changes