Update editor config formatting options

Co-authored-by: Arran Hobson Sayers <ahobsonsayers@gmail.com>

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true

.prettierrc

@@ -0,0 +1,17 @@
+{
+  "semi": false,
+  "singleQuote": true,
+  "printWidth": 400,
+  "proseWrap": "never",
+  "trailingComma": "none",
+  "overrides": [
+    {
+      "files": ["*.html"],
+      "options": {
+        "singleQuote": false,
+        "wrapAttributes": false,
+        "sortAttributes": false
+      }
+    }
+  ]
+}

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "EditorConfig.EditorConfig",
+    "esbenp.prettier-vscode",
+    "octref.vetur"
+  ]
+}

.vscode/settings.json

@@ -17,5 +17,11 @@
   "editor.formatOnSave": true,
   "editor.detectIndentation": true,
   "editor.tabSize": 2,
-  "javascript.format.semicolons": "remove"
+  "javascript.format.semicolons": "remove",
+  "[javascript][json][jsonc]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[vue]": {
+    "editor.defaultFormatter": "octref.vetur"
+  }
 }