configure packages and linting

.eslintrc.json

@@ -0,0 +1,39 @@
+{
+    "env": {
+        "browser": true,
+        "es6": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:vue/essential"
+    ],
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "vue"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            "tab"
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "never"
+        ]
+    }
+}

package.json

@@ -22,9 +22,9 @@
     "@vue/compiler-sfc": "^3.0.0",
     "@vue/eslint-config-prettier": "^6.0.0",
     "babel-eslint": "^10.1.0",
-    "eslint": "^6.7.2",
+    "eslint": "^6.8.0",
     "eslint-plugin-prettier": "^3.3.1",
-    "eslint-plugin-vue": "^7.0.0",
+    "eslint-plugin-vue": "^8.2.0",
     "prettier": "^2.2.1",
     "sass": "^1.26.5",
     "sass-loader": "^8.0.2"