v1.0.1

Add injection easy variable (PR #1)

Feat

• feat: add injection-able variables to ease testing
• feat: add a simple test
  • this test only checks the injection-able variable's move. Not the functionality of tty.
• feat: add the simple test to the GitHub Action's workflow

Fix and miscellaneous

• fix: add go mod tidy before lint check
• chore: remove the message of build binary
  • remove from the welcome message in the bash terminal
• chore: add tips for testing
• chore: fix typo