[TASK] (vendor-preview): advertise binary executables

Erhard provides binary executables for Windows users.

README.md

@@ -10,7 +10,8 @@ anonymous download (see [COPYING](COPYING)).
 The contents of the repository will be updated from time to time by vendor
 updates.
 Please check the original location (http://www.software-for-seismometry.de/)
-for the most recent versions and accompanying material.
+for the most recent versions, binary executables for Windows and accompanying
+material.
 
 Source
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