Enhance Snapshot Web Pages

Community & Support: [LinkedIn Group](https://www.linkedin.com/groups/14656108/) · [Slack #project-nest](https://owasp.slack.com/archives/project-nest)

Active project leaders: Arkadii Yakovets -- [GitHub](https://github.com/arkid15r/) · [LinkedIn](https://www.linkedin.com/in/arkid15r/) · [Slack](https://owasp.slack.com/team/U060W3NKLTF); Kate Golovanova -- [GitHub](https://github.com/kasya/) · [LinkedIn](https://www.linkedin.com/in/kate-golovanova/) · [Slack](https://owasp.slack.com/team/U07PWB1JZ6Z)

[Contributing](https://github.com/owasp/nest/blob/main/CONTRIBUTING.md) · [Code of Conduct](https://github.com/owasp/nest/blob/main/CODE_OF_CONDUCT.md) · [GSoC Mentors](https://github.com/owasp/nest/blob/main/MENTORS.md)

### Description

The snapshot detail page currently displays only a subset of content types. The list page has no filtering or search. There are no sharing options. The goal is to bring the web experience up to parity with the full snapshot data model, add discovery features, and enable social sharing.

## Detail Page
- Display all 8 entity types on the snapshot detail page (chapters, projects, events, issues, PRs, releases, posts, users)
- Add a community stats summary bar showing counts for all entity types

## List Page
- Add date-range filtering on the snapshots list page

## Social Sharing
- Add share buttons for Twitter/X and LinkedIn on the snapshot detail page

## Testing
- Frontend tests for the detail page and list page

**Are you going to work on implementing this?**

- [x] Yes
- [ ] No