better filename system

eleventy.config.js

@@ -65,6 +65,12 @@ export default async function (eleventyConfig) {
 				decoding: "async",
 			},
 		},
+		filenameFormat: function (hash, src, width, format, options) {
+			var dirname = path.dirname(src);
+			dirname = dirname.split("/img/");
+			if (dirname.length > 1)	return `${dirname[1]}-${path.basename(src)}`;
+			return path.basename(src);
+		},
 	});
 
 	eleventyConfig.addPlugin(eleventyNavigationPlugin);