Improve database schema and install components

README

@@ -1,7 +1,14 @@
-YMS - Yacht Management System
-Prototype
+YMS - Open Source Yacht Management System
+Preview Version
 
-Many features are incomplete, buggy or missing.
+Free, self-hosted software for managing your boat's equipment,
+inventory, documents, maintenance and tasks.
+
+Your boat. Your data. Your software.
+
+
+This is work in progress:
+Many features can be incomplete, buggy or missing.
 Use at your own risk!
 
 If inserting a new user you have also to insert a setting value
@@ -9,8 +16,8 @@ to assign boat 0.
 
 To set your own passwords via console there is a helper script
   ymspass.py
-
 Use it to get an SQL-statement for changing passwords.
 
 For further information go to https://computerclub.hoogi.de/yms
 (currently german only)
+