add pomky setup script

src/setup/apps/pomky.py

@@ -0,0 +1,15 @@
+from os import system
+from src.util import silent_system, copy_file
+from src.constants import tmp_dir
+
+name = "pomky"
+
+
+def setup():
+    """conky but rusty"""
+
+    silent_system(
+        f"git clone --depth 1 https://github.com/developomp/pomky {tmp_dir}/pomky"
+    )
+    silent_system(f"cd {tmp_dir}/pomky && cargo install --path .")
+    copy_file("home/.config/autostart/pomky.desktop")