Add the initial README contents. To be improved if necessary.

README.md

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-[![Build Status](https://travis-ci.org/asfernandes/firebird.svg?branch=master)](https://travis-ci.org/asfernandes/firebird)
-[![SF Downloads](https://img.shields.io/sourceforge/dt/firebird.png)](https://sourceforge.net/projects/firebird/files/stats/timeline?dates=2001-07-01+to+2020-08-19)
+# Firebird README
 
-# Firebird
-Firebird git mirror
+Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, MacOS and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production systems, under a variety of names, since 1981.
+
+The Firebird Project is a commercially independent project of C/C++ programmers, technical advisors and supporters developing and enhancing a multi-platform relational database management system based on the source code released by Inprise Corporation on 25 July, 2000.
+
+## Basic information
+
+* http://www.firebirdsql.org/
+* http://www.firebirdsql.org/en/historical-reference/
+* http://www.firebirdsql.org/en/licensing/
+* http://www.firebirdsql.org/en/features/
+
+## Documentation
+
+* http://www.firebirdsql.org/en/documentation/
+* http://www.firebirdfaq.org/
+
+## Licensing
+
+The source code is released under variants of the Mozilla Public Licence 1.1 (MPL):
+
+* http://www.firebirdsql.org/en/initial-developer-s-public-license-version-1-0/
+* http://www.firebirdsql.org/en/interbase-public-license/
+
+## Development
+
+The source code can be found at:  
+https://github.com/FirebirdSQL/firebird
+
+Bugs and feature requests should be submitted at:  
+http://tracker.firebirdsql.org/
+
+You may find more details at:  
+http://www.firebirdsql.org/en/development/