add lesson.md for code review
add lesson.md for code review

QuLogic/studyGroup,lwjohnst86/studyGroup,sjeblee/studyGroup,mbonsma/studyGroup,lwjohnst86/studyGroup,QuLogic/studyGroup,linamnt/studyGroup,sjeblee/studyGroup,lwjohnst86/studyGroup,linamnt/studyGroup,sjeblee/studyGroup,QuLogic/studyGroup,linamnt/studyGroup,QuLogic/studyGroup,lwjohnst86/studyGroup,linamnt/studyGroup,QuLogic/studyGroup,QuLogic/studyGroup,mbonsma/studyGroup,lwjohnst86/studyGroup,linamnt/studyGroup,lwjohnst86/studyGroup,sjeblee/studyGroup,mbonsma/studyGroup,sjeblee/studyGroup,mbonsma/studyGroup,linamnt/studyGroup,mbonsma/studyGroup,mbonsma/studyGroup,sjeblee/studyGroup