Separation of processing from data storage account

[JimCircadian]

The storage accounts for the applications need to be fed via event grid and the accounts themselves distinct for each app:

• Move forecast-processing to a dedicated storage account
• Move input blob processing to a dedicated storage account
  • Hook input blob processing up via event grid rather than direct storage account processing

[JimCircadian]

Error: waiting for creation/update of System Topic Event Subscription: (Event Subscription Name "sub-proc-icenet-data-topic" / System Topic Name "egs-icenet-data-topic" / Resource Group "rg-icenet-data"): Code="Endpoint validation" Message="Destination endpoint not found. Resource details: resourceId: /subscriptions/REDACTED/resourceGroups/rg-icenetuat-processing/providers/Microsoft.Web/sites/app-icenet-processing/functions/InputBlobTrigger. Resource should pre-exist before attempting this operation.

Need to think of a better manner by which to placeholder the trigger function