Add forwarding logic

Fixes #333

Author: bitbeans

SimpleDnsCrypt/App.config

@@ -89,6 +89,9 @@
             <setting name="IsCloakAndForwardTabVisible" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="ForwardingRulesFile" serializeAs="String">
+                <value />
+            </setting>
         </SimpleDnsCrypt.Properties.Settings>
     </userSettings>
 </configuration>

SimpleDnsCrypt/Config/Global.cs

@@ -76,7 +76,7 @@ public static class Global
 	    public const string BlacklistFileName = "blacklist.txt";
 
 	    public const string CloakingRulesFileName = "cloaking-rules.txt";
-
+	    public const string ForwardingRulesFileName = "forwarding-rules.txt";
 
 		public const string GlobalResolver = "0.0.0.0:53";
 	    public const string DefaultResolverIpv4 = "127.0.0.1:53";

SimpleDnsCrypt/Properties/Settings.Designer.cs

@@ -65,5 +65,8 @@
     <Setting Name="IsCloakAndForwardTabVisible" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="ForwardingRulesFile" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
   </Settings>
 </SettingsFile>