Update v1_customer_setup.md

Set ExtIp value to INTERNAL.AZURE.IP.ADRESS
S-47885 fix typo
S-47885 2113 firewall steps
S-47885 fixed indents for web site config steps
Update v1_customer_setup.md
Update v1_customer_setup.md
Create domain-analysis.md
Ian's PPT doc for Mohammed

S-48970
Create changesets.md
S-48999 First tests and implementations for the configuration validation when the server starts up.
S-48999 Added test and implementation for eventStorePassword validation.
S-48999 added test and implementation fro validateEventStoreUser.
S-48999 Added validateUri and its tests.
S-48999 forgot about undefined and empty string.
S-48999 added validateHttpsUri with its test.
Added 'production' config variable so we can decide when to validate what. It defaults to true.
S-48999 added validation to the server start up.
- Fixed the logic so config.production is true when no value is set.
S-48999 split validateApiKey into validateApiKeyIsSet and validateApiKeyLength.
S-48999 Split validateEventStorePassword into validateEventStorePasswordIsSet and validateEventStorePasswordLength.
S-48999 Renamed validateUri to validateEventStoreUri.
S-48999 some renaming and refactored the unit test so they match the changes in the function.