generate-env.sh — Interactively generate a .env file from a .env.example template.

Usage:
  ./generate-env.sh [options] [input_file]

Arguments:
  input_file   Path to the .env.example file (default: .env.example)

Options:
  -o <file>    Output file path (default: .env)
  -h           Show this help message

Annotation syntax in .env.example:
  # Description text for the variable
  # @required
  # @type <type>
  VAR_NAME=default_value

Supported types:
  string      Plain text (default when @type is absent)
  number      Numeric value; validated on entry
  bool        Boolean; prompts y/n, stored as true/false
  secret      Hidden input with confirmation; stored as-is
  url         Text; warns if value doesn't start with http(s)://
  email       Text; validated as user@domain.tld
  enum:a,b,c  Presents a numbered menu of choices

Using as a git submodule:
  Add to your project:
    git submodule add https://code.garrettmills.dev/garrettmills/interactive-env

  Run from your project root:
    ./interactive-env/generate-env.sh

  Update to the latest version:
    git submodule update --remote interactive-env

  Clone a project that uses this submodule:
    git clone --recurse-submodules <your-repo-url>