feat: add bds core, locale updates and safety fixes

docs/USAGE.md

@@ -196,6 +196,32 @@ You can use script output or report callback events:
 - `success`
 - `failed`
 
+### BDS (`--core bds`)
+
+- Beginner:
+
+  ```bash
+  sudo bash install.sh --easy --core bds --service tmux-systemd
+  ```
+
+- Non-interactive:
+
+  ```bash
+  sudo bash install.sh \
+    --yes \
+    --core bds \
+    --dir /opt/minecraft/bds \
+    --service systemd \
+    --mc-version latest \
+    --accept-license yes \
+    --firewall yes \
+    --locale en
+  ```
+
+Notes:
+
+- `--mc-version` for BDS means Bedrock server version (example: `1.21.3.01`) or `latest`.
+
 ## Update mode
 
 Use for replacing files on an existing server directory:
@@ -210,4 +236,3 @@ sudo bash install.sh \
 ```
 
 For Java cores add `--accept-eula yes`.
-