Conceptual planning of automatic service / config updates.

Refers to #13

AutoTx/Resources/README.md

+Service Installation Updates
+============================
+
+The service can automatically be updated by running the `Update-AutoTxService.ps1`
+script. It will check a remote location (configured in the script header) and do
+the following tasks:
+
+- check for new service binaries and update the local ones if applicable
+- check for a new configuration file for this host and update the local one
+- try to restart the service if one of the previous tasks was done
+
+Automatic Updates
+-----------------
+
+To automate the above, a *scheduled task* has to be created. This can easily be
+done by using the following PowerShell commands:
+
+```powershell
+# create a repetition interval
+$TimeSpan = New-TimeSpan -Minutes 1
+
+
+# configure a JobTrigger for the task using the repetition interval from above, repeating forever
+$JobTrigger = New-JobTrigger `
+    -Once `
+    -At (Get-Date).Date `
+    -RepetitionInterval $TimeSpan `
+    -RepeatIndefinitely
+
+
+# configure the JobOptions for the task (battery options should not be required on a fixed system,
+# but doesn't hurt either)
+$JobOptions = New-ScheduledJobOption `
+    -RunElevated `
+    -StartIfOnBattery `
+    -ContinueIfGoingOnBattery
+
+
+# set credentials for running the task (requires permission to start/stop the service
+# and overwriting the configuration and binaries)
+$Cred = Get-Credential
+
+
+# register the job for execution
+Register-ScheduledJob `
+    -FilePath C:\Tools\AutoTx\Update-AutoTxService.ps1 `
+    -Name "Update-AutoTxService" `
+    -ScheduledJobOption $JobOptions `
+    -Trigger $JobTrigger `
+    -Credential $Cred `
+    -Verbose
+```
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