[GUI] Add a link to project's wiki

Closes #284

DiscordChatExporter.Cli/Commands/GuideCommand.cs

@@ -44,7 +44,7 @@ namespace DiscordChatExporter.Cli.Commands
             console.Output.WriteLine(" 6. Copy the first long sequence of numbers inside the URL");
             console.Output.WriteLine();
 
-            console.Output.WriteLine("If you still have unanswered questions, check out the wiki:");
+            console.Output.WriteLine("For more information, check out the wiki:");
             console.Output.WriteLine("https://github.com/Tyrrrz/DiscordChatExporter/wiki");
 
             return default;

DiscordChatExporter.Gui/Internal/ProcessEx.cs

@@ -0,0 +1,18 @@
+using System.Diagnostics;
+
+namespace DiscordChatExporter.Gui.Internal
+{
+    internal static class ProcessEx
+    {
+        public static void StartShellExecute(string path)
+        {
+            var startInfo = new ProcessStartInfo(path)
+            {
+                UseShellExecute = true
+            };
+
+            using (Process.Start(startInfo))
+            { }
+        }
+    }
+}

DiscordChatExporter.Gui/Views/RootView.xaml

@@ -167,6 +167,10 @@
                                 <materialDesign:PackIcon Margin="1,0,0,-3" Kind="Account" />
                             </InlineUIContainer>
                         </TextBlock>
+                        <TextBlock Margin="0,24,0,0" FontSize="14">
+                            <Run Text="For more information, check out the" />
+                            <Hyperlink NavigateUri="https://github.com/Tyrrrz/DiscordChatExporter/wiki" RequestNavigate="Hyperlink_OnRequestNavigate">wiki</Hyperlink><Run Text="." />
+                        </TextBlock>
                     </StackPanel>
 
                     <!--  For bot token  -->
@@ -192,6 +196,10 @@
                                 <materialDesign:PackIcon Margin="1,0,0,-1" Kind="Robot" />
                             </InlineUIContainer>
                         </TextBlock>
+                        <TextBlock Margin="0,24,0,0" FontSize="14">
+                            <Run Text="For more information, check out the" />
+                            <Hyperlink NavigateUri="https://github.com/Tyrrrz/DiscordChatExporter/wiki" RequestNavigate="Hyperlink_OnRequestNavigate">wiki</Hyperlink><Run Text="." />
+                        </TextBlock>
                     </StackPanel>
                 </Grid>
 

DiscordChatExporter.Gui/Views/RootView.xaml.cs

@@ -1,4 +1,7 @@
-namespace DiscordChatExporter.Gui.Views
+using System.Windows.Navigation;
+using DiscordChatExporter.Gui.Internal;
+
+namespace DiscordChatExporter.Gui.Views
 {
     public partial class RootView
     {
@@ -6,5 +9,11 @@
         {
             InitializeComponent();
         }
+
+        private void Hyperlink_OnRequestNavigate(object sender, RequestNavigateEventArgs e)
+        {
+            ProcessEx.StartShellExecute(e.Uri.AbsoluteUri);
+            e.Handled = true;
+        }
     }
 }