Switch from Smile to EmojiKit

Package.swift

@@ -15,14 +15,14 @@ let package = Package(
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         // .package(url: /* package url */, from: "1.0.0"),
-        .package(url: "https://github.com/tyiu/Smile", branch: "master")
+        .package(url: "https://github.com/tyiu/EmojiKit", branch: "emoji-keywords")
     ],
     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 this package depends on.
         .target(
             name: "EmojiPicker",
-            dependencies: ["Smile"]),
+            dependencies: ["EmojiKit"]),
         .testTarget(
             name: "EmojiPickerTests",
             dependencies: ["EmojiPicker"]),