manually added swift version

Author: Matteo Crippa

contents.json

@@ -3142,7 +3142,8 @@
       "title": "AECoreDataUI",
       "category": "ui",
       "description": "Core Data driven UI.",
-      "homepage": "https://github.com/tadija/AERecord"
+      "homepage": "https://github.com/tadija/AERecord",
+      "swift": 4
     }, {
       "title": "AIFlatSwitch",
       "category": "switch",
@@ -3152,7 +3153,8 @@
       "title": "AMScrollingNavbar",
       "category": "ui",
       "description": "Scrollable UINavigationBar that follows the scrolling of a UIScrollView.",
-      "homepage": "https://github.com/andreamazz/AMScrollingNavbar"
+      "homepage": "https://github.com/andreamazz/AMScrollingNavbar",
+      "swift": 4
     }, {
       "title": "Animated Tab Bar",
       "category": "tab",
@@ -3162,7 +3164,8 @@
       "title": "AZTransitions",
       "category": "ui",
       "description": "API to make great custom transitions in one method.",
-      "homepage": "https://github.com/azimin/AZTransitions"
+      "homepage": "https://github.com/azimin/AZTransitions",
+      "swift": 3
     }, {
       "title": "BreakOutToRefresh",
       "category": "ui",
@@ -4970,7 +4973,8 @@
       "category": "ui",
       "description": "Apple Music like Bubble Picker using Dynamic Animation (faster / more lightweight than SpriteKit).",
       "homepage": "https://github.com/GlebRadchenko/AmazingBubbles",
-      "tags": ["swift", "applemusic", "uikitdynamics", "bubblepicker", "applemusic"]
+      "tags": ["swift", "applemusic", "uikitdynamics", "bubblepicker", "applemusic"],
+      "swift": 3
     }, {
       "title": "AsyncNinja",
       "category": "concurrency",