chore: update readme

Signed-off-by: Ar Rakin <rakinar2@onesoftnet.eu.org>

Author: virtual-designer

README.org

@@ -16,6 +16,10 @@
 
 Please visit the upstream at [[https://git.onesoftnet.eu.org][git.onesoftnet.eu.org]] using [[https://git.onesoftnet.eu.org/gitweb/?p=freehttpd.git;a=summary][Gitweb]] or [[https://git.onesoftnet.eu.org/cgit/freehttpd.git/][CGIT]] for up-to-date source code.
 
+**** Development
+
+The development now happens on our own Git server, and *discussions, bug reports, patches are sent via the [[mailto:freehttpd@lists.onesoftnet.eu.org][freehttpd@lists.onesoftnet.eu.org]] mailing list*.  For more details on this change, see [[https://lists.onesoftnet.eu.org/archives/list/freehttpd@lists.onesoftnet.eu.org/thread/ASTBEH2S5DSQEA4IRKV4LTIJEGGXJU5J/][this announcement]].
+
 #+html: <br />
 
 Please refer to the [[./README][plain-text README]].