import pgp key implementation (#17)

* import pgp key implementation

* do not ask confirmation for local sign. Also add argparser test

* superseed requests by python-aur package

* ...and drop --skippgpcheck makgepkg flag by default

tests/ahriman/application/handlers/test_handler_key_import.py

@@ -0,0 +1,24 @@
+import argparse
+
+from pytest_mock import MockerFixture
+
+from ahriman.application.handlers import KeyImport
+from ahriman.core.configuration import Configuration
+
+
+def _default_args(args: argparse.Namespace) -> argparse.Namespace:
+    args.key = "0xE989490C"
+    args.key_server = "keys.gnupg.net"
+    return args
+
+
+def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
+    """
+    must run command
+    """
+    args = _default_args(args)
+    mocker.patch("pathlib.Path.mkdir")
+    application_mock = mocker.patch("ahriman.core.sign.gpg.GPG.import_key")
+
+    KeyImport.run(args, "x86_64", configuration)
+    application_mock.assert_called_once()