Adding auth

Author: jtreminio-dropbox

sandbox/dotnet/src/Dropbox.SignSandbox/AccountCreateDefaultExample.cs

@@ -13,6 +13,8 @@ public class AccountCreateDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var accountCreateRequest = new AccountCreateRequest(
             emailAddress: "newuser@dropboxsign.com"

sandbox/dotnet/src/Dropbox.SignSandbox/AccountCreateOauth.cs

@@ -13,6 +13,8 @@ public class AccountCreateOauth
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var accountCreateRequest = new AccountCreateRequest(
             emailAddress: "newuser@dropboxsign.com",

sandbox/dotnet/src/Dropbox.SignSandbox/AccountGetDefaultExample.cs

@@ -13,6 +13,8 @@ public class AccountGetDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         try
         {

sandbox/dotnet/src/Dropbox.SignSandbox/AccountUpdateDefaultExample.cs

@@ -13,6 +13,8 @@ public class AccountUpdateDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var accountUpdateRequest = new AccountUpdateRequest(
             callbackUrl: "https://www.example.com/callback",

sandbox/dotnet/src/Dropbox.SignSandbox/AccountVerifyDefaultExample.cs

@@ -13,6 +13,8 @@ public class AccountVerifyDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var accountVerifyRequest = new AccountVerifyRequest(
             emailAddress: "some_user@dropboxsign.com"

sandbox/dotnet/src/Dropbox.SignSandbox/ApiAppCreateDefaultExample.cs

@@ -13,6 +13,8 @@ public class ApiAppCreateDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var oauth = new SubOAuth(
             callbackUrl: "https://example.com/oauth",

sandbox/dotnet/src/Dropbox.SignSandbox/ApiAppDeleteDefaultExample.cs

@@ -13,6 +13,8 @@ public class ApiAppDeleteDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         try
         {

sandbox/dotnet/src/Dropbox.SignSandbox/ApiAppGetDefaultExample.cs

@@ -13,6 +13,8 @@ public class ApiAppGetDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         try
         {

sandbox/dotnet/src/Dropbox.SignSandbox/ApiAppListDefaultExample.cs

@@ -13,6 +13,8 @@ public class ApiAppListDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         try
         {

sandbox/dotnet/src/Dropbox.SignSandbox/ApiAppUpdateDefaultExample.cs

@@ -13,6 +13,8 @@ public class ApiAppUpdateDefaultExample
     public static void Run()
     {
         var config = new Configuration();
+        config.Username = "YOUR_API_KEY";
+        // config.AccessToken = "YOUR_ACCESS_TOKEN";
 
         var whiteLabelingOptions = new SubWhiteLabelingOptions(
             primaryButtonColor: "#00b3e6",