GitHub runner installation and configuration

[enggnr]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Adds GitHub runner configuration to software.yml and a script to configure the runner

• Other information: Fixes #38.

[github-actions[bot]]

:robot: OpenAI

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Files ignored due to filter (1)

### Ignored files * software.yml

Files not summarized due to errors (1)

### Failed to summarize * home/.chezmoiscripts/universal/run_onchange_after_46-github-runner.sh.tmpl (nothing obtained from openai)

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In the recent run, only the files that changed from the base of the PR and between 9ff6720e4e7d727e47a3a7de00ded001920990a1 and 269622c985df218013ad032953495b5e8db9e40f commits were reviewed.

Files not reviewed due to errors in the recent run (1)

### Failed to review in the last run * home/.chezmoiscripts/universal/run_onchange_after_46-github-runner.sh.tmpl (no response)

[ProfessorManhattan]

Manually merged this one @enggnr