hmon: add linter to warn on missing docs

[arkjedrz]

Includes fixes to those warnings.

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run --lockfile_mode=error //:license-check

Status: ⚠️ Needs Review

Click to expand output

[License Check Output]
Extracting Bazel installation...
Starting local Bazel server (8.6.0) and connecting to it...
INFO: Invocation ID: 1a2d04d0-67a5-409e-8eb9-26e42dff58ef
Computing main repo mapping: 
Computing main repo mapping: 
Loading: 
Loading: 0 packages loaded
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 (37 packages loaded, 10 targets configured)

Analyzing: target //:license-check (86 packages loaded, 10 targets configured)

Analyzing: target //:license-check (144 packages loaded, 2767 targets configured)

Analyzing: target //:license-check (152 packages loaded, 5482 targets configured)

Analyzing: target //:license-check (157 packages loaded, 7471 targets configured)

Analyzing: target //:license-check (161 packages loaded, 8253 targets configured)

Analyzing: target //:license-check (164 packages loaded, 8269 targets configured)

Analyzing: target //:license-check (164 packages loaded, 8271 targets configured)

Analyzing: target //:license-check (167 packages loaded, 10159 targets configured)

Analyzing: target //:license-check (167 packages loaded, 10159 targets configured)

INFO: Analyzed target //:license-check (169 packages loaded, 10409 targets configured).
[8 / 15] [Prepa] Expanding template external/score_tooling+/dash/tool/formatters/_dash_format_converter_stage2_bootstrap.py [for tool]
[14 / 16] [Prepa] JavaToolchainCompileBootClasspath external/rules_java+/toolchains/platformclasspath.jar
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: 23.314s, Critical Path: 2.47s
INFO: 16 processes: 12 internal, 3 processwrapper-sandbox, 1 worker.
INFO: Build completed successfully, 16 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