Improve organization

Sources/Public/DotLottie/Cache/DotLottieCache.swift

@@ -7,11 +7,13 @@
 
 import Foundation
 
+// MARK: - DotLottieCache
+
 /// A DotLottie Cache that will store lottie files up to `cacheSize`.
 ///
 /// Once `cacheSize` is reached, the least recently used lottie will be ejected.
 /// The default size of the cache is 100.
-public class DotLottieCache: DotLottieCacheProvider, @unchecked Sendable {
+public class DotLottieCache: DotLottieCacheProvider {
 
   // MARK: Lifecycle
 
@@ -55,3 +57,10 @@ public class DotLottieCache: DotLottieCacheProvider, @unchecked Sendable {
   private var cache = LRUCache<String, DotLottieFile>()
 
 }
+
+// MARK: Sendable
+
+// DotLottieCacheProvider has a Sendable requirement, but we can't
+// redesign DotLottieCache to be properly Sendable without making breaking changes.
+// swiftlint:disable:next no_unchecked_sendable
+extension DotLottieCache: @unchecked Sendable { }