Add contract dates to people

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/server/api/console/v1/schema.graphql

@@ -529,6 +529,8 @@ type People implements Node {
   primaryEmailAddress: String!
   additionalEmailAddresses: [String!]!
   kind: PeopleKind!
+  contractStartDate: Datetime
+  contractEndDate: Datetime
   createdAt: Datetime!
   updatedAt: Datetime!
 }
@@ -1152,6 +1154,8 @@ input CreatePeopleInput {
   primaryEmailAddress: String!
   additionalEmailAddresses: [String!]
   kind: PeopleKind!
+  contractStartDate: Datetime
+  contractEndDate: Datetime
 }
 
 input UpdatePeopleInput {
@@ -1160,6 +1164,8 @@ input UpdatePeopleInput {
   primaryEmailAddress: String
   additionalEmailAddresses: [String!]
   kind: PeopleKind
+  contractStartDate: Datetime
+  contractEndDate: Datetime
 }
 
 input DeletePeopleInput {