RavenDB-12698 update readme on zip file to include upgrade instructions

Author: ppekrol

docs/readme.linux.txt

@@ -7,7 +7,6 @@ Type:
     chmod +x run.sh
     ./run.sh
 
-
 * RavenDB as Daemon (systemd - applies to Ubuntu 16.04)
 Open bash terminal, and create file /etc/systemd/system/ravendb.service, using super user permissions, containing:
     [Unit]
@@ -45,5 +44,8 @@ View its status using:
 Open browser, if not opened automatically, at url printed in "Server available on: <url>"
 Follow the web setup instructions at: https://ravendb.net/docs/article-page/4.2/csharp/start/installation/setup-wizard
 
+* Upgrading to a New Version
+Follow the upgrade instructions available at: https://ravendb.net/docs/article-page/4.2/csharp/start/installation/upgrading-to-new-version
+
 
 

docs/readme.windows.txt

@@ -24,6 +24,9 @@ Running  RavenDB            RavenDB
 To manage service you can use Stop-Service and Start-Service cmdlets (requires administrator privileges).
 
 * Setup
-    Open browser, if not opened automatically, at url printed in "Server available on: <url>"
-    Follow the web setup instructions at: https://ravendb.net/docs/article-page/4.0/csharp/start/installation/setup-wizard
+Open browser, if not opened automatically, at url printed in "Server available on: <url>"
+Follow the web setup instructions at: https://ravendb.net/docs/article-page/4.0/csharp/start/installation/setup-wizard
+
+* Upgrading to a New Version
+Follow the upgrade instructions available at: https://ravendb.net/docs/article-page/4.2/csharp/start/installation/upgrading-to-new-version