Add facilities, contracts, orders, value lists, audit log, and desktop app modules

Extends omsorgCore with full CRUD for Facility/Contract/Order plus
configurable value lists and an audit trail, and wires the omsorgapp
frontend up to the new facilities, settings, and audit-log modules;
includes a sidebar active-nav-item highlight.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

omsorgWeb/mitarbeiter-app/api-client-php/.travis.yml

@@ -0,0 +1,8 @@
+language: php
+# Bionic environment has preinstalled PHP from 7.1 to 7.4
+# https://docs.travis-ci.com/user/reference/bionic/#php-support
+dist: bionic
+php:
+    - 7.4
+before_install: "composer install"
+script: "vendor/bin/phpunit"