feat: Add first modules

This adds the first modules blocks from the initial proof of concept, with basic docs.
Currently missing is bundling and usage instructions

docs/modules/Logging.md

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+# Logging
+
+Provide logging helpers for structured logging
+
+## Overview
+
+Parse log level from text representation to level number
+
+## Index
+
+* [parse_log_level](#parse_log_level)
+* [log](#log)
+
+### parse_log_level
+
+Parse log level from text representation to level number
+
+#### Arguments
+
+* **$1** (string): Log level to parse
+
+#### Output on stdout
+
+* numeric log level
+
+### log
+
+Log output on a given level, checks if $LOG_LEVEL, if not set defaults to INFO
+
+#### Arguments
+
+* **$1** (number): Numeric log level
+* **$2** (string): Message to output
+
+#### Output on stdout
+
+* Formatted log message with ANSI color codes
+

docs/modules/Prompts.md

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+# Prompts
+
+Inquirer.js inspired prompts
+
+## Overview
+
+Prompt for text
+
+## Index
+
+* [input](#input)
+* [confirm](#confirm)
+* [list](#list)
+* [checkbox](#checkbox)
+* [password](#password)
+* [editor](#editor)
+* [with_validate](#with_validate)
+* [validate_present](#validate_present)
+
+### input
+
+Prompt for text
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+
+#### Output on stdout
+
+* Text as provided by user
+
+### confirm
+
+Show confirm dialog for yes/no
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+
+#### Output on stdout
+
+* 0 for no, 1 for yes
+
+### list
+
+Renders a text based list of options that can be selected by the
+user using up, down and enter keys and returns the chosen option.
+Inspired by https://unix.stackexchange.com/questions/146570/arrow-key-enter-menu/415155#415155
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+* **$2** (array): List of options (max 256)
+
+#### Output on stdout
+
+* selected index (0 for opt1, 1 for opt2 ...)
+
+### checkbox
+
+Render a text based list of options, where multiple can be selected by the
+user using up, down and enter keys and returns the chosen option.
+Inspired by https://unix.stackexchange.com/questions/146570/arrow-key-enter-menu/415155#415155
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+* **$2** (array): List of options (max 256)
+
+#### Output on stdout
+
+* selected index (0 for opt1, 1 for opt2 ...)
+
+### password
+
+Show password prompt displaying stars for each password character letter typed
+it also allows deleting input
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+
+#### Output on stdout
+
+* password as written by user
+
+### editor
+
+Open default editor
+
+#### Arguments
+
+* **$1** (string): Phrase for promptint to text
+
+#### Output on stdout
+
+* Text as input by user in input
+
+### with_validate
+
+Evaluate prompt command with validation, this prompts the user for input till the validation function
+returns with 0
+
+#### Arguments
+
+* **$1** (string): Prompt command to evaluate until validation is successful
+* #2 function validation callback (this is called once for exit code and once for status code)
+
+#### Output on stdout
+
+* Value collected by evaluating prompt
+
+### validate_present
+
+Validate a prompt returned any value
+
+#### Arguments
+
+* **$1** (value): to validate
+
+#### Output on stdout
+
+* error message for user
+

docs/modules/User-Feedback.md

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+# User-Feedback
+
+Provides useful colored outputs for user feedback on actions
+
+## Overview
+
+Display error message in stderr, prefixed by check emoji
+
+## Index
+
+* [show_error](#show_error)
+* [show_success](#show_success)
+
+### show_error
+
+Display error message in stderr, prefixed by check emoji
+
+#### Arguments
+
+* **$1** (string): Error message to display
+
+### show_success
+
+Display success message in stderr, prefixed by cross emoji
+
+#### Arguments
+
+* **$1** (string): Success message to display
+