chore: Update image/README.md with AnduinOS information

This commit updates the image/README.md file to include information about AnduinOS, such as the language, version, and date of the image. It also provides instructions on how to use AnduinOS and where to find more information. This update improves the clarity and completeness of the README file.

Author: Anduin2017

src/build.sh

@@ -205,6 +205,38 @@ EOF
 EOF
     judge "Generate README.diskdefines"
 
+    DATE=`TZ="UTC" date +"%y%m%d%H%M"`
+    cat << EOF > image/README.md
+# AnduinOS $TARGET_BUILD_VERSION
+
+AnduinOS is a custom Debian-based Linux distribution that aims to facilitate users transitioning from Windows to Ubuntu by maintaining familiar operational habits and workflows.
+
+This image is built with the following configurations:
+
+- **Language**: $LANG_MODE
+- **Version**: $TARGET_BUILD_VERSION
+- **Date**: $DATE
+
+AnduinOS is distributed with GPLv3 license. You can find the license on [GPL-v3](https://gitlab.aiursoft.cn/anduin/anduinos/-/blob/master/LICENSE).
+
+## How to use
+
+Before starting, please turn off Secure Boot in your BIOS settings.
+
+Press F12 to enter the boot menu when you start your computer. Select the USB drive to boot from.
+
+You will see two options:
+
+1. **Try AnduinOS**: Boot into AnduinOS without installing it. This is a good way to test the system before installing it.
+2. **Install AnduinOS**: Install AnduinOS on your computer. This will erase all data on the target disk.
+
+Select the option you want and press Enter.
+
+## More information
+
+For detailed instructions, please visit [AnduinOS Document](https://docs.anduinos.com/Install/System-Requirements.html).
+EOF
+
     print_ok "Copying boot files..."
     pushd $SCRIPT_DIR/image
     grub-mkstandalone \
@@ -274,7 +306,6 @@ EOF
            "."
     judge "Create iso image"
 
-    DATE=`TZ="UTC" date +"%y%m%d%H%M"`
     print_ok "Moving iso image to $SCRIPT_DIR/dist/$TARGET_BUSINESS_NAME-$TARGET_BUILD_VERSION-$LANG_MODE-$DATE.iso..."
     mkdir -p $SCRIPT_DIR/dist
     mv $SCRIPT_DIR/$TARGET_NAME.iso $SCRIPT_DIR/dist/$TARGET_BUSINESS_NAME-$TARGET_BUILD_VERSION-$LANG_MODE-$DATE.iso