Misc changes (#268)

* fixes for setup-tools.sh

fixes https://github.com/zokradonh/kopano-docker/issues/266

* add startup tests for meet demo
* add architecture to contributing file
* define ical_listen for kopano-ical
* precreate database if it does not yet exist
* fix spelling

examples/meet/tests/test-container.yml

@@ -0,0 +1,19 @@
+version: "3.5"
+
+services:
+  test:
+    build:
+      context: tests/startup-test
+      args:
+        docker_repo: ${docker_repo:-zokradonh}
+    networks:
+      - kopano-net
+      - ldap-net
+      - web-net
+    volumes:
+      - kopanodata/:/kopano/data
+      - kopanossl/:/kopano/ssl
+      - kopanosocket/:/run/kopano
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    environment:
+      - KCCONF_SERVER_MYSQL_HOST=${MYSQL_HOST}