task: Integrate into office module

Since I am striving for closer connection between my task management, my
mail suite and my calendar appointments, it makes sense to unify all
'office' tasks into the single office module instead of keeping
taskwarrior outside of it.

office/.local/share/task/hooks/DISABLED.on-exit.sync-to-server-silent.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+# From: https://gist.github.com/varunagrawal/2b93c5dc721520ff6876e940c420ab05
+# This hooks script syncs task warrior to the configured task server.
+# The on-exit event is triggered once, after all processing is complete.
+
+# Make sure hooks are enabled and this hook script is executable.
+# Run `task diag` for diagnostics on the hook.
+
+import sys
+import json
+import subprocess
+
+try:
+    tasks = json.loads(sys.stdin.readline())
+except:
+    # No input
+    sys.exit(0)
+
+# no tasks to work through, don't error
+if len(tasks) <= 0:
+    sys.exit(0)
+
+# Call the `sync` command
+# hooks=0 ensures that the sync command doesn't call the on-exit hook
+# verbose=nothing sets the verbosity to print nothing at all
+subprocess.Popen(["task", "rc.verbose=nothing", "rc.hooks=0", "sync"], close_fds=True)
+
+sys.exit(0)