Overview

Introduce a member perks program, a way to showcase exclusive deals from partner companies to club members, and a CTA for potential perk partners to get in touch.

Summary of Changes

• Add perks data (DataCamp, Red Bull) and logos to config/sponsors.yml
• Render perk cards in a responsive grid (2/3/5/6 columns) on the home page with placeholder cards
• Add a Stimulus-powered modal to show perk details with a link to the partner's site
• Add a "Perks Program" CTA section on the sponsorship page for potential partners
• Add perks program links to navbar sponsors dropdown and footer resources
• Add sanity:check rake task that fails if perk count is a multiple of 6 (grid layout guard)
• Add GitHub Actions workflow to run sanity checks on PRs to master
• Add sanity checks step to local CI

Testing / QA

• Visit the home page and verify the perks grid renders below sponsors with DataCamp and Red Bull cards plus placeholder cards
• Click a perk card and verify the modal opens with the correct icon, name, description, and "Check it out" link
• Verify the modal closes via backdrop click and Escape key
• Resize the browser and verify the grid is responsive: 2 cols → 3 cols (sm) → 5 cols (md) → 6 cols (lg)
• Verify the navbar "Sponsors" dropdown includes "Perks Program" linking to /sponsorship#perks-program
• Verify the footer "Resources" column includes "Perks Program" linking to /sponsorship#perks-program
• Visit /sponsorship and verify the perks program CTA section appears below the main CTA
• Run bin/rails sanity:check and verify it passes with the current 2 perks