v3.0 official

What's Changed

• add circle ci action config
• add source code of Pay the school fee
• add source code of Pay Employee salary
• add Banking cycle souce code
• add system file projects

• feat: add new feature by @thuongtruong1009 in #8
• feat: add new feature by @thuongtruong1009 in #9
• feat: add new feature and system file project by @thuongtruong1009 in #10
• feat(new feature): add banking cycle source code by @thuongtruong1009 in #11
• feat: add new circle ci config by @thuongtruong1009 in #12
• feat(new feature): add circleci config of pipeline workflow by @thuongtruong1009 in #13
• feat: add source code of project by @thuongtruong1009 in #14
• add bin of project by @thuongtruong1009 in #16
• add bin of project by @thuongtruong1009 in #17
• feat: add souce code main by @thuongtruong1009 in #18

Full Changelog: v2.0...v3.0