Add basic Makefile.

Makefile

@@ -0,0 +1,39 @@
+ROOT_DIRECTORY = $(shell dirname "$(realpath $(lastword $(MAKEFILE_LIST)))")
+PHP := $(shell which php)
+PORT := 8000
+
+
+.DEFAULT_GOAL := default
+
+
+.PHONY: default
+default: compile
+
+.PHONY: compile
+compile:
+	$(PHP) $(ROOT_DIRECTORY)/compile.php
+
+.PHONY: server
+server:
+	php \
+	  --server 127.0.0.1:$(PORT) \
+	  --docroot $(ROOT_DIRECTORY)
+
+.PHONY: initialize
+initialize:
+	git \
+	  -C $(ROOT_DIRECTORY) \
+	  submodule \
+	  update \
+	  --init \
+	  --recursive
+
+.PHONY: clean
+clean:
+	rm \
+	  --recursive \
+	  --force \
+	  $(ROOT_DIRECTORY)/adminer.php
+
+.PHONY: clean.all
+clean.all: clean