add setup.sh

setup.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+nvm use
+
+if [ -d "src/themes/oranges" ]; then
+  git submodule update --init --recursive
+else
+  git submodule add https://github.com/zchengsite/hexo-theme-oranges.git src/themes/oranges
+fi
+
+npm install
+
+cd src
+
+npm install
+
+echo "Setup completed. Required npm packages installed."
+
+hexo s

src/source/_posts/hello-world.md

@@ -36,6 +36,13 @@ mv src/.github/ .
 mv src/.gitignore .
 ```
 
+try to use `setup.sh` to setup:
+
+```bash
+chmod +x setup.sh
+./setup.sh
+```
+
 ### apply third party theme
 
 ```bash