feat: add ModelCharacteristics view and fix BFCL converter data quality

feat: schema v2, tool_calling evaluation, BFCL converter, UI polish, and expression fixes (#18)

chore (maintainance): Update depdencies, copyright and minimal support for chat template.

fix (CSS): Minor CSS fixes for performance view.

feat (filters): Enable filtering on model & metric comparison views.

feat (metric behavior): Allow user to drill down in metric behavior view. (#12)

Prevent accidental back button click in visualize page (#10)

chore: Fix typos

chore: Initial commit.