Added Esperanto translations

Added beginnings of feed parsing,
    may need to switch parser.

Signed-off-by: Louis Hollingworth <louis@hollingworth.ch>

Leganto/FeedParser.swift

@@ -0,0 +1,48 @@
+//
+//  FeedParser.swift
+//  Leganto
+//
+//  Created by Louis Hollingworth on 2023-05-24.
+//
+
+import Foundation
+import FeedKit
+
+class LFeedParser: ObservableObject {
+    var urlStr: String
+    @Published var rssFeed: RSSFeed?
+    @Published var atomFeed: AtomFeed?
+    @Published var jsonFeed: JSONFeed?
+    
+    init(urlStr: String) {
+        self.urlStr = urlStr
+    }
+    
+    func loadData() {
+        if let url = URL(string: urlStr) {
+            let parser = FeedParser(URL: url)
+            
+            parser.parseAsync { (result) in
+                
+                switch result {
+                case .success(let feed):
+                    switch feed {
+                    case let .atom(feed):
+                        self.atomFeed = feed
+                    case let .json(feed):
+                        self.jsonFeed = feed
+                    case let .rss(feed):
+                        self.rssFeed = feed
+                    }
+                case .failure(let err):
+                    print(err)
+                }
+                
+                DispatchQueue.main.async {
+                    self.objectWillChange.send()
+                }
+            }
+        }
+        
+    }
+}