feat: Makefile for building and running

yay, tailwindcss is only executed when templates or config has changed
i can remove out.css from the repository!

Makefile

@@ -0,0 +1,38 @@
+##
+# auth-pocketbase-attempt
+#
+# @file
+# @version 0.1
+TAILWIND_SRC = pages/input.css
+TEMPLATES = $(wildcard pages/templates/*.gohtml pages/templates/**/*.gohtml)
+TAILWIND_CONFIG = tailwind.config.js
+TAILWIND_OUT = pages/static/public/out.css
+BINARY_NAME = auth-pocketbase-attempt
+
+.PHONY: build
+build: tailwindcss
+	go build -o=./${BINARY_NAME} .
+
+.PHONY: run
+run: tailwindcss
+	go run . serve
+
+# this will restart the server on source change
+# and will sometimes also recompile tailwind out.css which is needed for bundling
+.PHONY: run/live
+run/live:
+	wgo -verbose -file=.go -file=.gohtml -file=tailwind.config.js make run
+
+# this is a phony job
+# it gets executed every time it's called directly or as a dependency
+# but, if out.css is fresh enough no compilation is called
+.PHONY: tailwindcss
+tailwindcss: $(TAILWIND_OUT)
+
+# this is a job for producing out.css
+# it's dependencies are files that should trigger compilation
+# if resulting file is fresher than all of these - no build necessary
+$(TAILWIND_OUT): $(TAILWIND_SRC) $(TEMPLATES) $(TAILWIND_CONFIG)
+	tailwindcss -i $(TAILWIND_SRC) -o $(TAILWIND_OUT)
+
+# end