feat: Add create contract endpoint to invoicer

proto/sentry_protos/billing/v1/services/invoicer/v1/endpoint_create_and_bill_contract.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package sentry_protos.billing.v1.services.invoicer.v1;
+
+import "sentry_protos/billing/v1/services/contract/v1/pricing_config.proto";
+
+message CreateAndBillContractRequest {
+  uint64 organization_id = 1;
+  string package_uid = 2;
+  repeated sentry_protos.billing.v1.services.contract.v1.UserConfig user_configs = 3;
+}
+
+message CreateAndBillContractResponse {
+  bool success = 1;
+}

rust/src/sentry_protos.billing.v1.services.invoicer.v1.rs

@@ -8,6 +8,20 @@ pub struct ChargeInvoicesRequest {
 }
 #[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct ChargeInvoicesResponse {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateAndBillContractRequest {
+    #[prost(uint64, tag = "1")]
+    pub organization_id: u64,
+    #[prost(string, tag = "2")]
+    pub package_uid: ::prost::alloc::string::String,
+    #[prost(message, repeated, tag = "3")]
+    pub user_configs: ::prost::alloc::vec::Vec<super::super::contract::v1::UserConfig>,
+}
+#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct CreateAndBillContractResponse {
+    #[prost(bool, tag = "1")]
+    pub success: bool,
+}
 #[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct CreateInvoicesRequest {
     /// The current time used to select contracts whose billing period has ended