Add SwiftyCrop dependency

This commit adds the SwiftyCrop dependency, to provide users with a way
to crop their profile images prior to upload

- Dependency version is commit-hash-locked for extra security and
  reproducibility
- Reviewed code contents of the library to check for any user tracking
  code. None was found

Signed-off-by: Daniel D’Aquino <daniel@daquino.me>

damus.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "534c8e58993919d5ead25ceb4788c8e492c86bc2cf5833dc651ae60a0f30169c",
+  "originHash" : "0d806129a33991730dd1aa3d38c47a745f9e9e6ff44999f4a7f28b695f024832",
   "pins" : [
     {
       "identity" : "codescanner",
@@ -97,6 +97,14 @@
         "version" : "0.1.2"
       }
     },
+    {
+      "identity" : "swiftycrop",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/benedom/SwiftyCrop",
+      "state" : {
+        "revision" : "454d0a0d4faf6f3a19c8d817ab9d7d27524bd79f"
+      }
+    },
     {
       "identity" : "swipeactions",
       "kind" : "remoteSourceControl",