make links in description clickable

Adds clickable links to macOS. I it is a naive approach, but it works.

Probably closes #51

Shared/Player/Video Details/VideoDescription.swift

@@ -61,7 +61,7 @@ struct VideoDescription: View {
         #if !os(iOS)
             Group {
                 if #available(macOS 12, *) {
-                    Text(description)
+                    DescriptionWithLinks(description: description, detailsSize: detailsSize)
                         .frame(maxWidth: .infinity, alignment: .leading)
                         .lineLimit(shouldExpand ? 500 : Self.collapsedLines)
                     #if !os(tvOS)
@@ -79,6 +79,33 @@ struct VideoDescription: View {
         #endif
     }
 
+    // If possibe convert URLs to clickable links
+    #if os(macOS)
+    @available(macOS 12, *)
+    struct DescriptionWithLinks: View {
+        let description: String
+        let detailsSize: CGSize?
+        let separators = CharacterSet(charactersIn: " \n")
+
+        var formattedString: AttributedString {
+            var attrString = AttributedString(description)
+            let words = description.unicodeScalars.split(whereSeparator: separators.contains).map(String.init)
+            words.forEach { word in
+                if (word.hasPrefix("https://") || word.hasPrefix("http://")), let url = URL(string: String(word)) {
+                    if let range = attrString.range(of: word) {
+                        attrString[range].link = url
+                    }
+                }
+            }
+            return attrString
+        }
+
+        var body: some View {
+                Text(formattedString)
+        }
+    }
+    #endif
+
     @ViewBuilder var keywords: some View {
         if showKeywords {
             ScrollView(.horizontal, showsIndicators: showScrollIndicators) {