dev: Makefile tasks to run local mkdocs server & megalinter

`make docs` builds book and runs in a local server on port 7777

`make lint` runs megalinter lint tools from documentation image
(requires Docker running)

Author: practicalli-johnny

Makefile

@@ -0,0 +1,63 @@
+# ------------------------------------------
+# Practicalli: Makefile
+#
+# Consistent set of targets to support local book development
+# ------------------------------------------
+
+# .PHONY: ensures target used rather than matching file name
+# https://makefiletutorial.com/#phony
+.PHONY: all clean docs lint pre-commit-check test
+
+# ------- Makefile Variables --------- #
+# run help if no target specified
+.DEFAULT_GOAL := help
+
+# Column the target description is printed from
+HELP-DESCRIPTION-SPACING := 24
+
+# Tool Commands
+MEGALINTER_RUNNER := npx mega-linter-runner --flavor documentation --env "'MEGALINTER_CONFIG=.github/config/megalinter.yaml'" --remove-container
+
+# Makefile file and directory name wildcard
+EDN-FILES := $(wildcard *.edn)
+# ------------------------------------ #
+
+# ------  Quality Checks  ------------ #
+pre-commit-check: lint
+
+lint:  ## Run MegaLinter with custom configuration (node.js required)
+	$(info --------- MegaLinter Runner ---------)
+	$(MEGALINTER_RUNNER)
+
+lint-fix:  ## Run MegaLinter with custom configuration (node.js required)
+	$(info --------- MegaLinter Runner ---------)
+	$(MEGALINTER_RUNNER) --fix
+
+lint-clean:  ## Clean MegaLinter report information
+	$(info --------- MegaLinter Clean Reports ---------)
+	- rm -rf ./megalinter-reports
+# ------------------------------------ #
+
+# --- Documentation Generation  ------ #
+docs:  ## Build and run mkdocs in local server
+	$(info --------- Mkdocs Local Server ---------)
+	mkdocs serve --dev-addr localhost:7777
+
+docs-changed:  ## Build only changed files and run mkdocs in local server
+	$(info --------- Mkdocs Local Server ---------)
+	mkdocs serve --dirtyreload --dev-addr localhost:7777
+
+docs-build:  ## Build mkdocs
+	$(info --------- Mkdocs Local Server ---------)
+	mkdocs build
+# ------------------------------------ #
+
+# ------------ Help ------------------ #
+# Source: https://nedbatchelder.com/blog/201804/makefile_help_target.html
+
+help:  ## Describe available tasks in Makefile
+	@grep '^[a-zA-Z]' $(MAKEFILE_LIST) | \
+	sort | \
+	awk -F ':.*?## ' 'NF==2 {printf "\033[36m  %-$(HELP-DESCRIPTION-SPACING)s\033[0m %s\n", $$1, $$2}'
+# ------------------------------------ #
+