Add ability to trigger updates from the web (#31)

* add external process spawner and update test cases

* pass no_report to handlers

* provide service api endpoints

* do not spawn process for single architecture run

* pass no report to handlers

* make _call method of handlers public and also simplify process spawn

* move update under add

* implement actions from web page

* clear logging & improve l&f

src/ahriman/web/views/user/__init__.py

@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2021 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#