feat: add hide amounts config and event

src/main/java/com/sparrowwallet/sparrow/event/HideAmountsStatusEvent.java

@@ -0,0 +1,13 @@
+package com.sparrowwallet.sparrow.event;
+
+public class HideAmountsStatusEvent {
+    private final boolean hideAmounts;
+
+    public HideAmountsStatusEvent(boolean hideAmounts) {
+        this.hideAmounts = hideAmounts;
+    }
+
+    public boolean isHideAmounts() {
+        return hideAmounts;
+    }
+}

src/main/java/com/sparrowwallet/sparrow/io/Config.java

@@ -47,6 +47,7 @@ public class Config {
     private Theme theme;
     private boolean openWalletsInNewWindows = false;
     private boolean hideEmptyUsedAddresses = false;
+    private boolean hideAmounts = false;
     private boolean showTransactionHex = true;
     private boolean showLoadingLog = true;
     private boolean showAddressTransactionCount = false;
@@ -303,6 +304,15 @@ public class Config {
         flush();
     }
 
+    public boolean isHideAmounts() {
+        return hideAmounts;
+    }
+
+    public void setHideAmounts(boolean hideAmounts) {
+        this.hideAmounts = hideAmounts;
+        flush();
+    }
+
     public boolean isShowTransactionHex() {
         return showTransactionHex;
     }