chore: add license header (#35)

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

go/greptime/v1/meta/lock.pb.go

@@ -1,3 +1,17 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
@@ -28,8 +42,8 @@ type LockRequest struct {
 	Header *RequestHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
 	// Name is the identifier for the distributed shared lock to be acquired.
 	Name []byte `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	// If the expiration time is exceeded and currently holds the lock, the lock is
-	// automatically released.
+	// If the expiration time is exceeded and currently holds the lock, the lock
+	// is automatically released.
 	ExpireSecs int64 `protobuf:"varint,3,opt,name=expire_secs,json=expireSecs,proto3" json:"expire_secs,omitempty"`
 }