feat(*): Add auto-formatting settings

.editorconfig

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+# Remove the line below if you want to inherit .editorconfig settings from higher directories
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = crlf
+# editorconfig-tools is unable to ignore longs strings or urls
+max_line_length = null

.eslintrc.json

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+{
+  "env": {
+    "browser": true,
+    "node": true,
+    "es2020": true,
+    "jquery": true
+  },
+  "extends": [
+    "airbnb",
+    "prettier",
+    "plugin:node/recommended"
+  ],
+  "plugins": [
+    "prettier"
+  ],
+  "rules": {
+    "prettier/prettier": [
+      "error"
+    ],
+    "linebreak-style": 2,
+    "no-unused-vars": "warn",
+    "no-param-reassign": "off",
+    "no-alert": "warn"
+  }
+}

.prettierrc

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+{
+    "printWidth": 100,
+    "singleQuote": true
+}