Added version.txt file for extracting framework version in SPM

- Updated Package.swift to process resources
- Updated FrameworkInfo to include the SPM path for extracting the version

Package.swift

@@ -37,6 +37,9 @@ let package = Package(
                 "HLS ObjectiveC",
                 "PlaylistParserError",
                 "mamba.h"
+            ],
+            resources: [
+                .process("Resources")
             ]
         ),
         .target(

mambaSharedFramework/FrameworkInfo.swift

@@ -25,12 +25,22 @@ public enum FrameworkInfo {
     /// returns the version of the mamba framework
     public static var version: String {
 
+        /// When exporting a framework on SPM, there is no way to access the info dictionary, so the version should be provided differently
+        #if SWIFT_PACKAGE
+        guard let versionFilePathUrl = Bundle.module.url(forResource: "version", withExtension: "txt"),
+              let version = try? String(contentsOf: versionFilePathUrl, encoding: .utf8)
+                .trimmingCharacters(in: .whitespacesAndNewlines)
+        else {
+            assertionFailure("Unable to find version string in framework bundle")
+            return "Error: Unable to find version string in framework bundle"
+        }
+        #else
         let bundle = Bundle(for: PlaylistParser.self)
-
         guard let version = bundle.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String else {
             assertionFailure("Unable to find version string in framework bundle")
             return "Error: Unable to find version string in framework bundle"
         }
+        #endif
 
         return version
     }

mambaSharedFramework/Resources/version.txt

@@ -0,0 +1 @@
+    2.3.0