v3.1

What's Changed

• add .gitignore file by @meleksabit in #11
• feat: add PR Title Linter by @meleksabit in #12
• test: whether PR linter working properly by @meleksabit in #13
• feat: add status badge for PR Linter by @meleksabit in #14
• feat: add SonarCloud implementation by @meleksabit in #15
• feat: add SonarCloud implementation by @meleksabit in #16
• feat: add SonarCloud badge by @meleksabit in #17
• docs: edit README by @meleksabit in #19

Full Changelog: v3.0...v3.1