Add SwiftyDropbox license to Acknowledgments screen

SwiftyDropbox is MIT-licensed, which requires including the copyright
notice with distributions. License text fetched directly from the
upstream repo to ensure accuracy.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: crazytan

CHANGELOG.md

@@ -24,6 +24,7 @@
 
 ### Changes
 - Pending AutoFill uploads now live in the shared App Group cache/queue and are cleared if the app is uninstalled or reinstalled.
+- Add SwiftyDropbox to the Acknowledgments screen.
 
 ## v1.7.0 (2026-04-05)
 

KeeForge/Views/AcknowledgmentsView.swift

@@ -22,6 +22,16 @@ struct AcknowledgmentsView: View {
             } footer: {
                 Text("CC0 1.0 Universal / Apache 2.0 (dual-licensed)")
             }
+
+            Section {
+                Text(swiftyDropboxLicense)
+                    .font(.caption)
+                    .monospaced()
+            } header: {
+                Text("SwiftyDropbox")
+            } footer: {
+                Text("MIT License")
+            }
         }
         .navigationTitle("Acknowledgments")
         .navigationBarTitleDisplayMode(.inline)
@@ -64,4 +74,27 @@ struct AcknowledgmentsView: View {
         - CC0 1.0 Universal : https://creativecommons.org/publicdomain/zero/1.0
         - Apache 2.0        : https://www.apache.org/licenses/LICENSE-2.0
         """
+
+    private let swiftyDropboxLicense = """
+        Copyright (c) 2015-2021 Dropbox Inc., http://www.dropbox.com/
+
+        Permission is hereby granted, free of charge, to any person obtaining \
+        a copy of this software and associated documentation files (the \
+        "Software"), to deal in the Software without restriction, including \
+        without limitation the rights to use, copy, modify, merge, publish, \
+        distribute, sublicense, and/or sell copies of the Software, and to \
+        permit persons to whom the Software is furnished to do so, subject to \
+        the following conditions:
+
+        The above copyright notice and this permission notice shall be \
+        included in all copies or substantial portions of the Software.
+
+        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, \
+        EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF \
+        MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND \
+        NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE \
+        LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION \
+        OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION \
+        WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+        """
 }