fix workflow take 3

.gitea/workflows/build.yml

@@ -98,6 +98,7 @@ jobs:
           # 2. Create Directory Structure
           mkdir -p $BUILD_DIR/usr/bin
           mkdir -p $BUILD_DIR/usr/share/$PKG_NAME
+          mkdir -p $BUILD_DIR/etc/systemd/system
           mkdir -p $BUILD_DIR/DEBIAN
 
           # 3. Copy Files
@@ -116,10 +117,12 @@ jobs:
           cat <<EOF > $BUILD_DIR/etc/systemd/system/$PKG_NAME.service
           [Unit]
           Description=Slideshow Application Service
-          After=network.target
+          After=graphical.target
 
           [Service]
           Type=simple
+          Environment=DISPLAY=:0
+          Environment=XAUTHORITY=/home/youruser/.Xauthority
           ExecStart=/usr/bin/$PKG_NAME
           WorkingDirectory=/usr/share/$PKG_NAME
           Restart=always