feat: provide global variables in all components (#669)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/669
Reviewed-by: konrad <k@knt.li>
Co-authored-by: dpschen <dpschen@noreply.kolaente.de>
Co-committed-by: dpschen <dpschen@noreply.kolaente.de>

vite.config.js

@@ -3,7 +3,16 @@ const {VitePWA} = require('vite-plugin-pwa')
 const path = require('path')
 const {visualizer} = require('rollup-plugin-visualizer')
 
+const pathSrc = path.resolve(__dirname, './src')
+
 module.exports = {
+	css: {
+		preprocessorOptions: {
+			scss: {
+				additionalData: `@import "${pathSrc}/styles/variables/_all.scss";`,
+			},
+		},
+	},
 	plugins: [
 		createVuePlugin(),
 		VitePWA({