feat!: Change default publicDir to <rootDir>/public

BREAKING CHANGE: `config.publicDir`'s default changed from `<srcDir>/public` to `rootDir/<public>` to align with other frameworks and standards

src/core/types/external.ts

@@ -16,14 +16,14 @@ export interface InlineConfig {
    * directory.
    *
    * @default
-   * "<root>"
+   * "<rootDir>"
    */
   srcDir?: string;
   /**
    * Directory containing files that will be copied to the output directory as-is.
    *
    * @default
-   * "<srcDir>/publicDir"
+   * "<rootDir>/publicDir"
    */
   publicDir?: string;
   /**

src/core/utils/getInternalConfig.ts

@@ -80,7 +80,7 @@ export async function getInternalConfig(
     srcDir,
     userConfig.entrypointsDir ?? 'entrypoints',
   );
-  const publicDir = resolve(srcDir, userConfig.publicDir ?? 'public');
+  const publicDir = resolve(root, userConfig.publicDir ?? 'public');
   const wxtDir = resolve(srcDir, '.wxt');
   const typesDir = resolve(wxtDir, 'types');