GitHub simulation + profile, velocity fallback, daily.yml

[h1alexbel]

closes #25

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PR-Codex overview

This PR focuses on adding new features and improvements related to GitHub integration.

Detailed summary

• Added settings.xml file to the assets.
• Modified Entry.java to use GhIdentity for GitHub connection.
• Updated daily.yml workflow to include simulation profile and create issue on failure.
• Modified GhIdentity.java to use System.getProperty instead of System.getenv.
• Updated TkGitHubTest.java to use MkGithub for testing.
• Added logback.xml file for logging configuration.
• Created TkGitHubITCase.java for integration testing.
• Updated FtApp.java to handle error pages and added error.html.vm template.
• Updated TkGitHub.java to process commits and added placeholders for future enhancements.

The following files were skipped due to too many changes: src/main/java/git/tracehub/tk/TkGitHub.java, pom.xml, src/test/resources/github/it/job-hook.json

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[codecov[bot]]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (82d292d) 78.88% compared to head (58e247b) 74.24%. Report is 6 commits behind head on master.

Files	Patch %	Lines
src/main/java/git/tracehub/tk/TkGitHub.java	0.00%	9 Missing :warning:
src/main/java/git/tracehub/tk/FtApp.java	0.00%	6 Missing :warning:
src/main/java/git/tracehub/Entry.java	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #52 +/- ## ============================================ - Coverage 78.88% 74.24% -4.65% + Complexity 70 68 -2 ============================================ Files 23 23 Lines 251 264 +13 Branches 16 16 ============================================ - Hits 198 196 -2 - Misses 47 62 +15 Partials 6 6 ```

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