Move createEntryRequest into entry.proto (#340)

Signed-off-by: Appu Goundan <appu@google.com>

Author: loosebazooka

api/proto/rekor/v2/entry.proto

@@ -46,3 +46,11 @@ message Spec {
         DSSELogEntryV002 dsse_v002  = 2 [(google.api.field_behavior) = REQUIRED];
     }
 }
+
+// Create a new HashedRekord or DSSE
+message CreateEntryRequest {
+    oneof spec {
+        HashedRekordRequestV002 hashed_rekord_request_v002 = 1 [(google.api.field_behavior) = REQUIRED];
+        DSSERequestV002 dsse_request_v002 = 2 [(google.api.field_behavior) = REQUIRED];
+    }
+}

api/proto/rekor/v2/rekor_service.proto

@@ -16,13 +16,11 @@ syntax = "proto3";
 package dev.sigstore.rekor.v2;
 
 import "google/api/annotations.proto";
-import "google/api/field_behavior.proto";
 import "google/api/httpbody.proto";
 import "google/protobuf/empty.proto";
 import "sigstore_rekor.proto";
 
-import "rekor/v2/hashedrekord.proto";
-import "rekor/v2/dsse.proto";
+import "rekor/v2/entry.proto";
 
 option go_package = "github.com/sigstore/rekor-tiles/pkg/generated/protobuf";
 
@@ -64,14 +62,6 @@ service Rekor {
     }
 }
 
-// Create a new HashedRekord or DSSE
-message CreateEntryRequest {
-    oneof spec {
-        HashedRekordRequestV002 hashed_rekord_request_v002 = 1 [(google.api.field_behavior) = REQUIRED];
-        DSSERequestV002 dsse_request_v002 = 2 [(google.api.field_behavior) = REQUIRED];
-    }
-}
-
 // Request for a full or partial tile (see https://github.com/C2SP/C2SP/blob/main/tlog-tiles.md#merkle-tree)
 message TileRequest {
     uint32 L = 1;