Makefile to install, and License GNU GPLv3

package.json

@@ -1,7 +1,8 @@
 {
 	"name": "zettelclean",
-	"version": "0.2.0",
+	"version": "0.3.0",
 	"description": "Keep a Zettelkasten filename's slug in sync with the note's H1 heading.",
+	"author": "Ruben Carlo Benante <rcb@beco.cc>",
 	"main": "main.js",
 	"type": "module",
 	"scripts": {
@@ -13,7 +14,7 @@
 		"lint": "eslint ."
 	},
 	"keywords": [],
-	"license": "0-BSD",
+	"license": "GPL-3.0-or-later",
 	"devDependencies": {
 		"@eslint/js": "^9.39.4",
 		"@types/node": "^22.15.17",