refactor(config): migrate from .editorconfig and .prettierrc.json to .prettierrc.yml

.prettierrc.yml

@@ -0,0 +1,16 @@
+# See: https://prettier.io/docs/en/configuration
+
+printWidth: 80
+tabWidth: 2
+useTabs: false
+semi: false
+singleQuote: true
+quoteProps: as-needed
+jsxSingleQuote: false
+trailingComma: none
+bracketSpacing: true
+bracketSameLine: true
+arrowParens: always
+proseWrap: always
+htmlWhitespaceSensitivity: css
+endOfLine: lf