Feature - Linting, syntax, and validation

[kraker]

Feature - Linting, syntax, and validation

• Implements project linting, syntax, and other checks using pre-commit
  • End-of-file and end-of-line fixer linted extra whitespace
• Adds a validate stage to the GitHub workflows to lint code that's pushed
• Start drafting a CONTRIBUTORS.md guide documenting local Linux development environment setup and linting configuration
• Linters implemented so far:
  • yamllint
  • markdownlint
  • ShellCheck
• Track Python pip package dependencies via requirements*.txt files.
• Track npm package dependences via package.json - provides markdownlint support

[livialima]

this looks good at a first quick read, gimme a couple of days to had it tested just to be sure before merging