Aded minimal documentation

README.md

@@ -1,7 +1,16 @@
 # Boka2
- 
-There should be a description here
 
-Additional line
+Track an inventory of products
 
-additional line 2
+## Installation
+
+ * Clone the repo
+ * copy `config.php.example` to `config.php` and set correct values
+ * copy `email-fragments.txt.example` to `email-fragments.txt` and change as necessary
+ * point a webserver to the project root
+ * REMOTE_USER authentication should be configured for the entire application (context path /)
+ * exempt `/cron.php` from authentication
+ * set up a cron job along these lines:
+  ```
+  * * * * 1-5 root curl -sS https://example.com/cron.php
+  ```