Fix markdown formatting issues and add contribution infrastructure#22

mohitgauniyal wants to merge 2 commits intoanthropics:mainanthropics/knowledge-work-plugins:mainfrom

mohitgauniyal:fix/markdown-formatting-and-contrib-guidelinesmohitgauniyal/knowledge-work-plugins:fix/markdown-formatting-and-contrib-guidelinesCopy head branch name to clipboard