Add English to Katakana and Romaji conversion support

README.md

@@ -15,22 +15,46 @@ Voice RSS Summary automatically collects RSS feeds, summarizes new articles usin
 - [Bun](https://bun.sh/) 1.x (if running locally)
 - VOICEVOX engine
 - An OpenAI API key
+- MeCab (for English to Katakana conversion)
 
 ## Installation
 
-1. Install dependencies:
+1. Install MeCab (for English to Katakana conversion):
+
+   **macOS (using Homebrew):**
+   ```bash
+   brew install mecab mecab-ipadic
+   ```
+
+   **Ubuntu/Debian:**
+   ```bash
+   sudo apt-get update
+   sudo apt-get install mecab mecab-ipadic-utf8 libmecab-dev
+   ```
+
+   **CentOS/RHEL/Fedora:**
+   ```bash
+   sudo yum install mecab mecab-ipadic mecab-devel
+   # or for newer versions:
+   sudo dnf install mecab mecab-ipadic mecab-devel
+   ```
+
+   **Manual installation:**
+   See the setup script: `scripts/setup-mecab.sh`
+
+2. Install dependencies:
 
    ```bash
    bun install
    ```
 
-2. Build the front end:
+3. Build the front end:
 
    ```bash
    bun run build:frontend
    ```
 
-3. Create a `.env` file and set the following variables:
+4. Create a `.env` file and set the following variables:
 
    ```env
    OPENAI_API_KEY=your-api-key
@@ -49,9 +73,9 @@ Voice RSS Summary automatically collects RSS feeds, summarizes new articles usin
    FEED_URLS_FILE=feed_urls.txt
    ```
 
-4. Prepare `feed_urls.txt` with one RSS feed URL per line.
+5. Prepare `feed_urls.txt` with one RSS feed URL per line.
 
-5. Start the server:
+6. Start the server:
 
    ```bash
    bun run server.ts