refactor: examples in repo root

[PiotrKorkus]

• link exising examples to repo root
• add bazel target to each example
• add readme

Notes for Reviewer

Pre-Review Checklist for the PR Author

• PR title is short, expressive and meaningful
• Commits are properly organized
• Relevant issues are linked in the References section
• Tests are conducted
• Unit tests are added

Checklist for the PR Reviewer

• Commits are properly organized and messages are according to the guideline
• Unit tests have been written for new behavior
• Public API is documented
• PR title describes the changes

Post-review Checklist for the PR Author

• All open points are addressed and tracked via issues

References

Closes #

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run //:license-check

Status: ⚠️ Needs Review

Click to expand output

[License Check Output]
Extracting Bazel installation...
Starting local Bazel server (8.3.0) and connecting to it...
INFO: Invocation ID: 882d3b9b-ae29-46fb-a846-d48d26387bf2
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
Computing main repo mapping: 
WARNING: For repository 'bazel_skylib', the root module requires module version bazel_skylib@1.7.1, but got bazel_skylib@1.8.2 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
WARNING: For repository 'rules_cc', the root module requires module version rules_cc@0.1.1, but got rules_cc@0.2.14 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
WARNING: For repository 'buildifier_prebuilt', the root module requires module version buildifier_prebuilt@7.3.1, but got buildifier_prebuilt@8.2.0.2 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
WARNING: For repository 'googletest', the root module requires module version googletest@1.14.0, but got googletest@1.14.0.bcr.1 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
Loading: 
Loading: 0 packages loaded
Loading: 0 packages loaded
    currently loading: 
Loading: 0 packages loaded
    currently loading: 
Analyzing: target //:license-check (1 packages loaded)
Analyzing: target //:license-check (1 packages loaded, 0 targets configured)
Analyzing: target //:license-check (1 packages loaded, 0 targets configured)

Analyzing: target //:license-check (55 packages loaded, 9 targets configured)

Analyzing: target //:license-check (140 packages loaded, 1118 targets configured)

Analyzing: target //:license-check (148 packages loaded, 3223 targets configured)

Analyzing: target //:license-check (160 packages loaded, 3317 targets configured)

Analyzing: target //:license-check (160 packages loaded, 3319 targets configured)

Analyzing: target //:license-check (160 packages loaded, 3319 targets configured)

Analyzing: target //:license-check (168 packages loaded, 5587 targets configured)

Analyzing: target //:license-check (191 packages loaded, 5665 targets configured)
[10 / 14] JavaToolchainCompileClasses external/rules_java+/toolchains/platformclasspath_classes; 0s disk-cache, processwrapper-sandbox ... (2 actions, 1 running)
INFO: From Generating Dash formatted dependency file ...:
INFO: Successfully converted 141 packages from Cargo.lock to bazel-out/k8-fastbuild/bin/formatted.txt
Analyzing: target //:license-check (191 packages loaded, 5665 targets configured)
[11 / 14] JavaToolchainCompileClasses external/rules_java+/toolchains/platformclasspath_classes; 1s disk-cache, processwrapper-sandbox
Analyzing: target //:license-check (191 packages loaded, 5665 targets configured)
[12 / 14] JavaToolchainCompileBootClasspath external/rules_java+/toolchains/platformclasspath.jar; 0s disk-cache, processwrapper-sandbox
Analyzing: target //:license-check (191 packages loaded, 5665 targets configured)
[13 / 14] [Prepa] Building license.check.license_check.jar ()
Analyzing: target //:license-check (191 packages loaded, 5665 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
Analyzing: target //:license-check (192 packages loaded, 9999 targets configured)
[14 / 14] no actions running
INFO: Analyzed target //:license-check (194 packages loaded, 10113 targets configured).
INFO: Found 1 target...
Target //:license.check.license_check up-to-date:
  bazel-bin/license.check.license_check
  bazel-bin/license.check.license_check.jar
INFO: Elapsed time: 41.481s, Critical Path: 4.41s
INFO: 14 processes: 9 internal, 4 processwrapper-sandbox, 1 worker.
INFO: Build completed successfully, 14 total actions
INFO: Running command line: bazel-bin/license.check.license_check ./formatted.txt <args omitted>
usage: org.eclipse.dash.licenses.cli.Main [-batch <int>] [-cd <url>]
       [-confidence <int>] [-ef <url>] [-excludeSources <sources>] [-help] [-lic
       <url>] [-project <shortname>] [-repo <url>] [-review] [-summary <file>]
       [-timeout <seconds>] [-token <token>]

[github-actions]

The created documentation from the pull request is available at: docu-html