[ACA-3975]Add process definitions to simpleapp

[cristinaj]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:

What is the current behaviour? (You can also link to an open issue here)

What is the new behaviour?

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[codecov-io]

Codecov Report

Merging #6473 (a135d3c) into develop (13faf4e) will increase coverage by 1.06%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #6473      +/-   ##
===========================================
+ Coverage    76.25%   77.32%   +1.06%     
===========================================
  Files          868      147     -721     
  Lines        19623     4163   -15460     
  Branches      3907      830    -3077     
===========================================
- Hits         14964     3219   -11745     
+ Misses        3463      668    -2795     
+ Partials      1196      276     -920     

Impacted Files	Coverage Δ
...es-cloud/src/lib/models/date-cloud-filter.model.ts
...hts/src/lib/diagram/components/raphael/polyline.ts
lib/core/services/deleted-nodes-api.service.ts
...ib/analytics-process/services/analytics.service.ts
lib/core/mock/renditions-service.mock.ts
...ters/services/service-task-filter-cloud.service.ts
...ore/card-view/models/card-view-selectitem.model.ts
lib/core/viewer/components/img-viewer.component.ts
lib/core/mock/identity-user.service.mock.ts
...re/form/components/widgets/amount/amount.widget.ts
... and 705 more

---

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 c46bbaa...a135d3c. Read the comment docs.