chore: initialize backlog and add CCG26 twitter thread task

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backlog/config.yml

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+project_name: "Crypto Commons Gathering Website"
+default_status: "To Do"
+statuses: ["To Do", "In Progress", "Done"]
+labels: []
+milestones: []
+date_format: yyyy-mm-dd
+max_column_width: 20
+default_editor: "nvim"
+auto_open_browser: true
+default_port: 6420
+remote_operations: true
+auto_commit: false
+bypass_git_hooks: false
+check_active_branches: true
+active_branch_days: 30

backlog/tasks/task-1 - Create-Twitter-thread-for-CCG26-promotion.md

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+---
+id: task-1
+title: Create Twitter thread for CCG26 promotion
+status: Done
+assignee: []
+created_date: '2026-02-02 23:21'
+updated_date: '2026-02-02 23:21'
+labels: []
+dependencies: []
+priority: high
+---
+
+## Description
+
+<!-- SECTION:DESCRIPTION:BEGIN -->
+Write a 10-tweet thread covering event details, themes, format, location, pricing, and registration info for social media promotion.
+<!-- SECTION:DESCRIPTION:END -->
+
+## Implementation Notes
+
+<!-- SECTION:NOTES:BEGIN -->
+Completed:
+- Created 10-tweet thread covering all event aspects
+- Saved to twitter-thread-ccg26.md
+- Committed to main branch (ed2a8333)
+- Includes suggested hashtags for promotion
+<!-- SECTION:NOTES:END -->