site: allow html injection

site/Makefile

@@ -9,6 +9,7 @@ all:
 	cd out && npx uncss index.html --stylesheets remixicon.css > _remixicon.css; cd ..
 	mv out/_remixicon.css out/remixicon.css
 	cp ../static/* out/
+	node inject.js
 
 debug:
 	-mkdir -p out

site/inject.js

@@ -0,0 +1,5 @@
+let fs = require('fs');
+
+let content = fs.readFileSync("out/index.html", 'utf8');
+
+fs.writeFileSync("out/index.html", content.replace('<script src="main.js"></script>', '<script src="main.js"></script>'+process.env.INJECT));