add scripts for managing sms on pinephone

sms/dump_sms

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+from sms import get_sms
+from subprocess import call
+from os.path import basename
+
+for sms in get_sms():
+    print(sms)
+    out_file = "{}.{}.sms".format(basename(sms[0]), sms[1])
+    print(">> dump to {}".format(out_file))
+    call(["mmcli", "-m", "any", "--create-file-with-data", out_file, "--sms", sms[0]])