Add a Python script to import Jira issues into beads JSONL format.
Features:
- Fetch issues from Jira Cloud or Server/Data Center REST API
- JQL query support for flexible filtering
- Configurable field mappings via bd config
- Hash-based or sequential ID generation
- Issue links converted to dependencies
- external_ref set for re-sync capability
Configuration options:
- jira.url, jira.project, jira.api_token
- jira.status_map.*, jira.type_map.*, jira.priority_map.*
Closes bd-tjn
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Co-Authored-By: Claude <noreply@anthropic.com>
