moving loading spinner to zstack topright

Signed-off-by: William Casarin <jb55@jb55.com>

damus/ContentView.swift

@@ -94,8 +94,24 @@ struct ContentView: View {
         }
     }
 
+    var LoadingContainer: some View {
+        VStack {
+            HStack {
+                Spacer()
+        
+                if self.loading {
+                    ProgressView()
+                        .progressViewStyle(.circular)
+                }
+            }
+
+            Spacer()
+        }
+    }
+
     var PostButtonContainer: some View {
         VStack {
+            
             Spacer()
 
             HStack {
@@ -120,14 +136,9 @@ struct ContentView: View {
     var body: some View {
         VStack {
             if let pool = self.pool {
+                ZStack {
                     NavigationView {
                         VStack {
-                        if self.loading {
-                            ProgressView()
-                                .progressViewStyle(.circular)
-                                .padding([.bottom], 4)
-                        }
-                        
                             PostingTimelineView
                                 .onAppear() {
                                     switch_timeline(.home)
@@ -143,9 +154,11 @@ struct ContentView: View {
                                 }
                         }
                         .navigationBarTitle("Damus", displayMode: .inline)
-                    
                     }
                     .padding([.bottom], -8.0)
+
+                    LoadingContainer
+                }
             }
             
             TabBar