added fstab setup script

src/setup/system/fstab.py

@@ -0,0 +1,22 @@
+from os import system
+
+name = "fstab"
+
+
+def setup():
+    """adds /media/pomp/data drive to fstab"""
+
+    fstab_path = "/etc/fstab"
+
+    # check if /media/pomp/data exists already
+    with open(fstab_path, "rt") as f:
+        if "/media/pomp/data" in f.read():
+            return
+
+    line_to_write = (
+        "UUID=1cea13a5-ea19-4023-99dd-4bfd062a288c /media/pomp/data ext4 defaults 0 2"
+    )
+
+    # append a line to the end and ignore output
+    # not using python's file interface because I don't wanna deal with permission stuff
+    system(f'echo "{line_to_write}" | sudo tee -a {fstab_path} >/dev/null')