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

@@ -0,0 +1,38 @@
+# 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
+