tests: add Ada examples

[vil02]

To compile the code run the command of the type

gnatmake -we main.adb

This is related to #137.

[gitpod-io]

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (1538709) 100.00% compared to head (e3cbbbb) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #156   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           15        15           
  Lines          426       426           
  Branches        32        32           
=========================================
  Hits           426       426           

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
+0.00%	∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (1538709)	426	426	100.00%
Head commit (e3cbbbb)	426 (+0)	426 (+0)	100.00% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#156)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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