🔧 config: add vscode settings

Author: kazupon

.gitignore

@@ -1,7 +1,6 @@
 node_modules
 .nyc_output
 .DS_Store
-.vscode
 docs/.vuepress/dist
 coverage
 *.log

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+    "eslint.options": { "configFile": ".eslintrc.js" },
+    "eslint.validate": [
+        "javascript"
+    ],
+    "eslint.alwaysShowStatus": true,
+    "eslint.packageManager": "yarn",
+    "eslint.run": "onSave"
+}