Update Ghostgram features

Swiftgram/SFSafariViewControllerPlus/BUILD

@@ -0,0 +1,17 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
+
+swift_library(
+    name = "SFSafariViewControllerPlus",
+    module_name = "SFSafariViewControllerPlus",
+    srcs = glob([
+		"Sources/**/*.swift",
+    ]),
+    copts = [
+        "-warnings-as-errors",
+    ],
+    deps = [
+    ],
+    visibility = [
+        "//visibility:public",
+    ],
+)

Swiftgram/SFSafariViewControllerPlus/Sources/SFSafariViewControllerPlus.swift

@@ -0,0 +1,14 @@
+import SafariServices
+
+public class SFSafariViewControllerPlusDidFinish: SFSafariViewController, SFSafariViewControllerDelegate {
+    public var onDidFinish: (() -> Void)?
+
+    public override init(url URL: URL, configuration: SFSafariViewController.Configuration = SFSafariViewController.Configuration()) {
+        super.init(url: URL, configuration: configuration)
+        self.delegate = self
+    }
+
+    public func safariViewControllerDidFinish(_ controller: SFSafariViewController) {
+        onDidFinish?()
+    }
+}