feat: add flairs / country flags

[tariknz]

Adds flags to standings and relative:

[Copilot]

Pull Request Overview

This PR adds country flag/flair support to the application by implementing a complete system for fetching, displaying, and configuring country flags for drivers.

• Implements a new data fetching pipeline for flairs from the iRacing API
• Adds a CountryFlag component that displays country flags based on FlairID values
• Integrates country flags into both Standings and Relative components with configurable visibility

Reviewed Changes

Copilot reviewed 24 out of 27 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tools/login.ts	Implements authentication to iRacing API for data fetching
tools/get-flairs.ts	Fetches flair/country data from iRacing API
tools/get-tracks.ts	Fetches track asset data from iRacing API
tools/get-tracks-info.ts	Fetches track information from iRacing API
tools/download-track-svgs.ts	Downloads track SVG assets
tools/index.ts	Updates main data fetching pipeline
src/frontend/components/Standings/components/CountryFlag/*	New component for displaying country flags
src/frontend/components/Standings/*	Updates standings components to include flair support
src/frontend/components/Settings/*	Adds configuration options for country flag visibility
package.json	Adds flag-icons dependency

Comments suppressed due to low confidence (1)

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