feat: add bug report and feature request issue templates; enhance README with contributing guidelines and Copilot instructions#108

DanWahlin merged 4 commits intomaingithub/copilot-cli-for-beginners:mainfrom

feat/issue-templates-and-copilot-instructionsgithub/copilot-cli-for-beginners:feat/issue-templates-and-copilot-instructionsCopy head branch name to clipboard