Add bitcoin icon to bitcoin hashtags

Changelog-Added: Add bitcoin icon to bitcoin hashtags

damus/Components/TruncatedText.swift

@@ -0,0 +1,53 @@
+//
+//  TruncatedText.swift
+//  damus
+//
+//  Created by William Casarin on 2023-04-06.
+//
+
+import SwiftUI
+
+struct TruncatedText: View {
+    let text: CompatibleText
+    let maxChars: Int = 280
+    
+    var body: some View {
+        let truncatedAttributedString: AttributedString? = getTruncatedString()
+        
+        if let truncatedAttributedString {
+            Text(truncatedAttributedString)
+                .fixedSize(horizontal: false, vertical: true)
+        } else {
+            text.text
+                .fixedSize(horizontal: false, vertical: true)
+        }
+        
+        if truncatedAttributedString != nil {
+            Spacer()
+            Button(NSLocalizedString("Show more", comment: "Button to show entire note.")) { }
+                .allowsHitTesting(false)
+        }
+    }
+    
+    func getTruncatedString() -> AttributedString? {
+        let nsAttributedString = NSAttributedString(text.attributed)
+        if nsAttributedString.length < maxChars { return nil }
+        
+        let range = NSRange(location: 0, length: maxChars)
+        let truncatedAttributedString = nsAttributedString.attributedSubstring(from: range)
+        
+        return AttributedString(truncatedAttributedString) + "..."
+    }
+}
+
+struct TruncatedText_Previews: PreviewProvider {
+    static var previews: some View {
+        VStack(spacing: 100) {
+            TruncatedText(text: CompatibleText(stringLiteral: "hello\nthere\none\ntwo\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven"))
+                .frame(width: 200, height: 200)
+            
+            TruncatedText(text: CompatibleText(stringLiteral: "hello\nthere\none\ntwo\nthree\nfour"))
+                .frame(width: 200, height: 200)
+        }
+    }
+}