PoC feature_in_id for single module repositories

[MaximilianSoerenPollak]

📌 Description

This is a suggestion/PoC on how we could allow for the feature_in_id check to be kept but adapt it so that single feature /module repositories also pass this check.
This is done here by adding an additional config parameter to the conf.py that defines strings that are also allowed in the feature_part of the id.
Now only if NONE of the 3 things (docpath, abbreviation or configured param) are found an error is thrown.

Fixes #596

🚨 Impact Analysis

• This change does not violate any tool requirements and is covered by existing tool requirements
• This change does not violate any design decisions
• Otherwise I have created a ticket for new tool qualification

✅ Checklist

• Added/updated documentation for new or changed features
• Added/updated tests to cover the changes
• Followed project coding standards and guidelines

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run --lockfile_mode=error //src: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: 8054e63d-29cd-4e7a-a7d8-b183fc90e3db
Computing main repo mapping: 
Loading: 
Loading: 0 packages loaded
Loading: 0 packages loaded
Loading: 0 packages loaded
    currently loading: src
WARNING: Target pattern parsing failed.
ERROR: Skipping '//src:license-check': no such target '//src:license-check': target 'license-check' not declared in package 'src' defined by /home/runner/work/docs-as-code/docs-as-code/src/BUILD
ERROR: no such target '//src:license-check': target 'license-check' not declared in package 'src' defined by /home/runner/work/docs-as-code/docs-as-code/src/BUILD
INFO: Elapsed time: 5.487s
INFO: 0 processes.
ERROR: Build did NOT complete successfully
ERROR: Build failed. Not running target

[github-actions]

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