feat: add rollup template to setup, add rollup permission

[luohoufu]

What does this PR do

rollup template and rollup permission

Rationale for this change

This pull request includes significant changes to the configuration and setup of templates and rollup jobs, as well as some minor import reorganization. The most important changes are summarized below:

Configuration Updates:

• config/permission.json: Removed the indices.exists_template entry and added new entries for template and rollup permissions. [1] [2] [3]

Template and Rollup Jobs:

• config/setup/easysearch/template_rollup.tpl: Added new rollup job configurations for various metrics including index stats, index health, cluster stats, cluster health, node stats, shard stats metrics, and shard stats state.

Codebase Maintenance:

• plugin/setup/setup.go: Reorganized imports to improve readability and added a new case for "rollup" in the initializeTemplate function. [1] [2] [3]

Frontend Updates:

• web/src/pages/Guide/Initialization/components/Initialization/index.js: Added a new task for initializing the rollup template.

Standards checklist

• The PR title is descriptive
• The commit messages are semantic
• Necessary tests are added
• Updated the release notes
• Necessary documents have been added if this is a new feature
• Performance tests checked, no obvious performance degradation