add lf end-lines in `*.sh` (#425)

### What problem does this PR solve?

link #279 #266 

### Type of change

- [x] Documentation Update

---------

Co-authored-by: writinwaters <93570324+writinwaters@users.noreply.github.com>

.gitattributes

+*.sh text eol=lf

docs/faq.md

 This exception occurs when starting up the RAGFlow server. Try the following: 
 
   1. Prolong the sleep time: Go to **docker/entrypoint.sh**, locate line 26, and replace `sleep 60` with `sleep 280`.
-  2. Go to **docker/docker-compose.yml**, add the following after line 109:
+  2. If using Windows, ensure that the **entrypoint.sh** has LF end-lines.
+  3. Go to **docker/docker-compose.yml**, add the following after line 109:
   ```
   ./entrypoint.sh:/ragflow/entrypoint.sh
   ```
-  3. Change directory:
+  4. Change directory:
   ```bash
   cd docker
   ```
-  4. Stop the RAGFlow server:
+  5. Stop the RAGFlow server:
   ```bash
   docker compose stop
   ```
-  5. Restart up the RAGFlow server:
+  6. Restart up the RAGFlow server:
   ```bash
   docker compose up
   ```
 
 1. Ensure that the RAGFlow server can access the base URL.
 2. Do not forget to append **/v1/** to **http://IP:port**: 
-   **http://IP:port/v1/**
+   **http://IP:port/v1/**