fix(install): fix parts of the script

fix(greetd): add greetd

regreet/greetd/config.toml

@@ -0,0 +1,10 @@
+[terminal]
+# The VT to run the greeter on. Can be "next", "current" or a number
+# designating the VT.
+vt = current
+
+# The default session, also known as the greeter.
+[default_session]
+command = "start-hyprland -- -c /etc/greetd/hyprland.conf"
+user = "greetd"
+

regreet/greetd/hyprland.conf

@@ -0,0 +1,9 @@
+exec-once = regreet; hyprctl dispatch exit
+input {
+    kb_layout = hu
+}
+misc {
+    disable_hyprland_logo = true
+    disable_splash_rendering = true
+    disable_hyprland_guiutils_check = true
+}