fixes #73 - static text in revision history

with link to release information page on GitHub

Author: PhilippSalvisberg

docs/index.md

@@ -48,27 +48,8 @@ The authors and publisher shall have neither liability nor responsibility to any
 
 ## Revision History
 
-Version | Who         | Date         | Comment
---------|-------------|--------------|--------
-0.1     | Troller     | 17.03.2009   | Created.
-0.1     | Troller     | 17.03.2009   | Created.
-0.2     | Kulessa     | 04.05.2009   | Extended.
-0.3     | Reiner      | 12.05.2009   | Extended with comments in code.
-0.4     | Troller     | 14.05.2009   | Extended formatting.
-0.5     | Kulessa     | 20.05.2009   | Added more CodeXpert rules.
-0.6     | Troller     | 22.05.2009   | Formatting changes. Added categories to rules.
-0.7     | Reiner      | 10.06.2009   | Extended with example code commenting.
-0.8     | Troller     | 18.06.2009   | Finalized.
-0.9     | Bushnell    | 23.06.2009   | Translation.
-1.0     | Troller     | 01.07.2009   | Ready for inspection.
-1.1     | Troller     | 19.08.2009   | Added Inspection results AFl.
-1.2     | Troller     | 21.08.2009   | Added Inspection results ThM.
-1.3     | Troller     | April 2010   | Several Corrections. New Rule Oracle Supplied Packages.
-1.3.1   | Troller     | October 2010 | Some formatting.
-2.0     | Troller     | August 2011  | Added Error Handling Section. Added rule 23, 30, 31, 43.
-3.0     | Troller     | January 2016 | Added Rules for ORACLE 12c. Added SQALE Metrics. New guideline numbering system.
-3.1     | Troller     | April 2016   | Corrections
-3.2     | Salvisberg  | January 2017 | Various small corrections
-3.3     | Salvisberg  | 07.07.2018   | Migrated from Microsoft Word document to [MkDocs](https://www.mkdocs.org/), added missing reasons, prefixed rules with "G-" as in PL/SQL Cop.
-3.4     | Salvisberg  | 20.09.2019   | See [Relase Information](https://github.com/Trivadis/plsql-and-sql-coding-guidelines/releases/tag/v3.4).
-3.5     |             |              | Work in progress.
+The first version of these guidelines was compiled by Roger Troller on March 17, 2009. Jörn Kulessa, Daniela Reiner, Richard Bushnell, Andreas Flubacher and Thomas Mauch helped Roger complete version 1.2 until August 21, 2009. This was the first GA version. The handy printed version in A5 format was distributed free of charge at the DOAG Annual Conference and on other occasions. Since then Roger updated the guidelines regularily. Philipp Salvisberg was involved in the review process for version 3.0 which was a major update. Philipp took the lead, after Roger left Trivadis in 2016.
+
+Since July, 7 2018 these guidelines are hosted on GitHub. Ready to be enhanced by the community and forked to fit specific needs. 
+
+On [https://github.com/Trivadis/plsql-and-sql-coding-guidelines/releases](https://github.com/Trivadis/plsql-and-sql-coding-guidelines/releases) you find the release information for every version since 1.2.