Add initial grpc generation, and add to gradle build

SwiftyCar/Package.swift

@@ -7,20 +7,21 @@ let package = Package(
     name: "SwiftyCar",
     products: [
         // Products define the executables and libraries produced by a package, and make them visible to other packages.
-        .library(
-            name: "SwiftyCar",
-            targets: ["SwiftyCar"]),
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         // .package(url: /* package url */, from: "1.0.0"),
+        .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.0.0-alpha.11")
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "Generated",
+            dependencies: [.product(name: "GRPC", package: "grpc-swift")]),
         .target(
             name: "SwiftyCar",
-            dependencies: []),
+            dependencies: ["Generated"]),
         .testTarget(
             name: "SwiftyCarTests",
             dependencies: ["SwiftyCar"]),