Add installer script

installer.sh

@@ -0,0 +1,17 @@
+#/bin/bash
+
+# Create systemd user directory
+mkdir -p "~/.config/systemd/user"
+
+# Copy unit files
+cp theme-switcher.{timer,service} "~/.config/systemd/user"
+
+# Make directory for scripts
+mkdir -p "~/.theme-switcher"
+
+# Copy script file
+cp *.sh "~/.theme-switcher"
+
+# Enable and start timer
+systemctl --user enable theme-switcher.timer
+systemctl --user start theme-switcher