feat: warn when dev server listens on a restricted port

If the port assigned to the Vite dev server is categorised as restricted
by browsers (e.g. port 6000), a warning is now displayed in the console
to prevent accessibility issues.

.prettierrc.yaml

@@ -0,0 +1,24 @@
+printWidth: 100
+tabWidth: 2
+useTabs: false
+semi: false
+singleQuote: false
+quoteProps: as-needed
+jsxSingleQuote: false
+trailingComma: es5
+bracketSpacing: true
+bracketSameLine: true
+arrowParens: always
+#rangeStart: 0
+#rangeEnd: n
+#parser:
+#filepath:
+#requirePragma: false
+#insertPragma: false
+#proseWrap: preserve
+htmlWhitespaceSensitivity: css
+#vueIndentScriptAndStyle: false
+endOfLine: lf
+#embeddedLanguageFormatting: auto
+# Enforce single attribute per line in HTML, Vue and JSX
+#singleAttributePerLine: false