[hypr] fix: Remove hy3 path hardcoding

stow/hyprland/.config/hypr/hy3.conf

@@ -1,6 +1,9 @@
+#
+# ~/.config/hypr/hy3.conf
+#
 
-# TODO Do not hardcode this path
-plugin = /nix/store/afivj8v5kfdsadxs4pa45vh0y65s3ajm-hy3-hl0.49.0/lib/libhy3.so
+# Load the plugin. File should contain `plugin = /path/to/lib/libhy3.so`
+source = /home/tdpeuter/.config/hypr/hy3-plugin.conf
 
 general:layout = hy3