docs: update README files with correct folder structure for Agent Skills

Merge branch 'main' of https://github.com/jaktestowac/awesome-copilot-for-testers

feat: add api-playwright-test-developer skill for API automation testing

feat(agent): add 🦆 Rubber Duck 2.0 with Socratic debugging and Auto/L… (#6)

fix: user-invokable to user-invocable

refactor: update prompt titles to use 'name' field and improve README generation logic

Created Agents for episode airt1s02l03 of the "AI w Rękach Testera" series: qa-strategist and tech-debt-auditor (#5)

fix: update repository URL in marketplace.json

fix: correct skills path in plugin.json

poc: marketplace and plugin configuration

poc: marketplace and plugin configuration

poc: marketplace and plugin configuration

feat: hooks;

chore: mark Custom Chat Modes as Deprecated

chore: instructions README