Lint fix, migrations doc update and package-lock

docs/migrations/version-2-to-3.md

@@ -12,7 +12,68 @@ Is not affected by this change.
 
 ### C#
 
-Is not affected by this change.
+#### System.TimeSpan is used when format is time
+
+This example used to generate a `string`, but is now instead using `System.TimeSpan`.
+
+```yaml
+type: object
+properties:
+  duration:
+    type: string
+    format: time
+```
+
+will generate
+
+```csharp
+public class TestClass {
+  private System.TimeSpan duration;
+  ...
+}
+```
+
+#### System.DateTime is used when format is date-time
+
+This example used to generate a `string`, but is now instead using `System.DateTime`.
+
+```yaml
+type: object
+properties:
+  dob:
+    type: string
+    format: date-time
+```
+
+will generate
+
+```csharp
+public class TestClass {
+  private System.DateTime dob;
+  ...
+}
+```
+
+#### System.Guid is used when format is uuid
+
+This example used to generate a `string`, but is now instead using `System.Guid`.
+
+```yaml
+type: object
+properties:
+  uniqueId:
+    type: string
+    format: uuid
+```
+
+will generate
+
+```csharp
+public class TestClass {
+  private System.Guid uniqueId;
+  ...
+}
+```
 
 ### Java
 

test/generators/csharp/CSharpConstrainer.spec.ts

@@ -94,23 +94,38 @@ describe('CSharpConstrainer', () => {
       expect(type).toEqual('string');
     });
     test('should render System.DateTime', () => {
-      const model = new ConstrainedStringModel('test', undefined, { format: 'date-time' }, '');
+      const model = new ConstrainedStringModel(
+        'test',
+        undefined,
+        { format: 'date-time' },
+        ''
+      );
       const type = CSharpDefaultTypeMapping.String({
         constrainedModel: model,
         ...defaultOptions
       });
       expect(type).toEqual('System.DateTime');
     });
     test('should render TimeSpan', () => {
-      const model = new ConstrainedStringModel('test', undefined, { format: 'time' }, '');
+      const model = new ConstrainedStringModel(
+        'test',
+        undefined,
+        { format: 'time' },
+        ''
+      );
       const type = CSharpDefaultTypeMapping.String({
         constrainedModel: model,
         ...defaultOptions
       });
       expect(type).toEqual('System.TimeSpan');
     });
     test('should render Guid', () => {
-      const model = new ConstrainedStringModel('test', undefined, { format: 'uuid' }, '');
+      const model = new ConstrainedStringModel(
+        'test',
+        undefined,
+        { format: 'uuid' },
+        ''
+      );
       const type = CSharpDefaultTypeMapping.String({
         constrainedModel: model,
         ...defaultOptions