Migrated sample project from 2.2 to 3.1 LTS#2

ruchit-patel wants to merge 1 commit intoganeshnj:masterganeshnj/CheckBoxList.Core:masterfrom

ruchit-patel:dotnet2.2-to-3.1LTSruchit-patel/CheckBoxList.Core:dotnet2.2-to-3.1LTSCopy head branch name to clipboard