Merge pull request #166 from MrMage/ignore-build-outputs

Add the new protobuf plugin binaries to .gitignore and to `make clean`

.gitignore

@@ -2,6 +2,8 @@
 project.xcworkspace
 xcuserdata
 .build
+protoc-gen-swift
+protoc-gen-swiftgrpc
 third_party/**
 Plugin/Packages/**
 Plugin/Sources/protoc-gen-swiftgrpc/templates.swift

Makefile

@@ -25,5 +25,6 @@ clean:
 	rm -rf .build
 	rm -rf SwiftGRPC.xcodeproj
 	rm -rf Package.pins Package.resolved
+	rm -rf protoc-gen-swift protoc-gen-swiftgrpc
 	cd Examples/Echo/PackageManager; make clean
 	cd Examples/Simple/PackageManager; make clean