Description

Add timeline based on old webui code

Checklist

• The PR satisfies the contribution guidelines.
• This is a breaking change and that has been indicated in the PR title, OR this isn't a
  breaking change.
• Necessary docs have been updated, OR no docs need to be updated.

Validation performed

1. Created a React StoryBook story with mock data and observed no visual defects.

• To see the specific tasks where the Asana app for GitHub is being used, see below:
  • https://app.asana.com/0/0/1208964046828637

Summary by CodeRabbit

• New Features

  • Introduced a timeline chart to the search results page, allowing users to visualise log event counts over time with interactive zooming.
  • Added a dedicated timeline section between search controls and results for enhanced data exploration.

• Improvements

  • Enhanced time range selection and synchronisation across controls and timeline.
  • Improved timeline display with localised date formatting and responsive bucket sizing for clearer visualisation.

• Bug Fixes

  • Ensured accurate alignment and expansion of selected time ranges during timeline zoom interactions.

• Style

  • Added new styling for the timeline chart, including fixed height and cursor feedback.

• Chores

  • Updated dependencies to support charting and date handling features.