Began transition to Vue3.

Implemented logging in and logging out.

Implemented authenticated http client.

Laid some groundwork for SCSS.

MultiShop/client/tests/e2e/.eslintrc.js

@@ -0,0 +1,10 @@
+module.exports = {
+  plugins: ['wdio'],
+  extends: 'plugin:wdio/recommended',
+  env: {
+    mocha: true
+  },
+  rules: {
+    strict: 'off'
+  }
+}