Filters configs & basic logic & typescript

[gaspergrom]

Changes proposed ✍️

What

🤖 Generated by Copilot at 950f2ce

This pull request adds TypeScript support to the frontend and introduces a new cr-filter component to enable more flexible filtering options for the activity and member modules. It also updates some dependencies and adjusts the code accordingly. The pull request affects the following files: frontend/.eslintrc.js, frontend/package.json, frontend/src/main.ts, frontend/src/modules/activity/pages/activity-list-page.vue, and several files under frontend/src/modules/activity/config/filters and frontend/src/modules/member/config/filters.
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🤖 Generated by Copilot at 950f2ce

We're breaking the chains of the old code base
We're rising from the ashes with TypeScript and Vue
We're filtering the data with custom components
We're the masters of the frontend, we're the chosen few

Why

How

🤖 Generated by Copilot at 950f2ce

• Added TypeScript support and linting rules to the project (link, link, link, link, link, link, link)
• Updated vue and downgraded webpack dependencies to avoid compatibility issues (link, link)
• Added custom filter components and configurations for the activity and member modules using the cr-filter component (link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link, link)
• Added type annotations and casts to avoid TypeScript errors in the main.ts file and the Hotjar script (link, link, link, link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screehshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.