Add format script and vscode config

.vscode/.editorconfig

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+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

.vscode/.prettierrc.yaml

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+trailingComma: "all"
+tabWidth: 2
+semi: true
+singleQuote: true
+printWidth: 150

.vscode/extensions.json

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+{
+    "recommendations": [
+        "christian-kohler.path-intellisense",
+        "ms-python.python",
+        "2gua.rainbow-brackets",
+        "esbenp.prettier-vscode",
+        "eamodio.gitlens",
+        "editorconfig.editorconfig",
+        "dbaeumer.vscode-eslint"
+    ]
+}

.vscode/settings.json

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+{
+    "prettier.configPath": ".vscode/.prettierrc.yaml",
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "eslint.packageManager": "yarn",
+    "editor.codeActionsOnSave": {
+        "source.fixAll.eslint": true
+    },
+    "[javascript]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    },
+    "[jsonc]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    },
+    "[json]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    }
+}