Remove attribute type="text/css" from <style> tags

Closes #939

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/vue.config.js

@@ -6,6 +6,14 @@ module.exports = {
     // remove the prefetch plugin
     config.plugins.delete("prefetch");
   },
+  configureWebpack: (config) => {
+    const miniCssExtractPlugin = config.plugins.find(
+      (plugin) => plugin.constructor.name === "MiniCssExtractPlugin"
+    );
+    if (miniCssExtractPlugin) {
+      miniCssExtractPlugin.options.linkType = false;
+    }
+  },
   pwa: {
     themeColor: "#ffd599", //not required for service worker, but place theme color here if manifest.json doesn't change the color
     workboxPluginMode: "InjectManifest",