Add automated issue labeling system for Sub-Graph-Modules

[Aaditya-111]

Implements automated issue labeling system for all 28 Sub-Graph Modules in the CNCF Landscape Graph project

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Features Implemented:-

• Automatic detection when issues are created or modified
• Users can manually apply labels via comments
• Covers all SGM modules across multiple categories
• Smart detection script scans the db/ directory
• Comprehensive guides for users and maintainers

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Files Added:-

• .github/workflows/auto-label-onopen.yml - Auto-labeling workflow
• .github/workflows/add-labels.yml - Manual labeling workflow
• .github/workflows/generate-labels.yml - Label generation workflow
• .github/scripts/generate_component_labels.py - Detection script
• .github/LABEL_AUTOMATION.md - Documentation
• .github/component_labels.txt - Label mappings

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How It Works:-

1. User opens/edits an issue
2. Workflow scans issue body for file paths (e.g., db/apps/, db/cypher/)
3. Matches paths to labels (e.g., sgm:apps, sgm:cypher)
4. Automatically applies all matching labels
5. Users can also manually add labels with /label sgm:module commands

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Notes

• Some labels (like sgm:apps, sgm:cypher) may need to be created first
• Happy to adjust label format based on maintainer preferences
• This is my first open source contribution - feedback welcome!

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Acknowledgments:-

Based on the excellent implementation from OpenTelemetry collector-contrib.

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