fix linter errors

Author: lpabon

.gitignore

@@ -3,3 +3,4 @@ test/app/bin
 .vscode
 client
 venv
+*.lint

test/app/api/hello.pb.go

@@ -15,6 +15,7 @@
 syntax = "proto3";
 
 import "google/api/annotations.proto";
+import "google/api/field_behavior.proto";
 
 package hello.v1;
 
@@ -49,7 +50,7 @@ service HelloIdentity {
 // The request message containing the user's name.
 message HelloGreeterSayHelloRequest {
   // Name to say hello to
-  string name = 1;
+  string name = 1 [(google.api.field_behavior) = REQUIRED];
 }
 
 // The response message containing the greetings
@@ -103,4 +104,4 @@ message HelloVersion {
   // String representation of the version. Must be
   // in `major.minor.patch` format.
   string version = 4;
-}
+}

test/app/api/hello.proto

@@ -124,7 +124,10 @@
                         "title": "Name to say hello to"
                     }
                 },
-                "description": "The request message containing the user's name."
+                "description": "The request message containing the user's name.",
+                "required": [
+                    "name"
+                ]
             },
             "v1HelloGreeterSayHelloResponse": {
                 "type": "object",