Plugins - Separated VMs into folders

Plugins - Added help pages

src/Artemis.Core/Plugins/IPluginHelpPage.cs

@@ -0,0 +1,22 @@
+namespace Artemis.Core;
+
+/// <summary>
+///     Represents a plugin related help page
+/// </summary>
+public interface IPluginHelpPage
+{
+    /// <summary>
+    ///     Gets the plugin the help page belongs to.
+    /// </summary>
+    Plugin Plugin { get; }
+
+    /// <summary>
+    ///     Gets the title of the help page.
+    /// </summary>
+    public string Title { get; }
+
+    /// <summary>
+    ///     An ID used to quickly lead users to the help page in case of an error.
+    /// </summary>
+    public string Id { get; }
+}

src/Artemis.Core/Plugins/MarkdownPluginHelpPage.cs

@@ -0,0 +1,41 @@
+using System.IO;
+
+namespace Artemis.Core;
+
+/// <summary>
+///     Represents a plugin related help page
+/// </summary>
+public class MarkdownPluginHelpPage : IPluginHelpPage
+{
+    /// <summary>
+    ///     Creates a new instance of the <see cref="MarkdownPluginHelpPage" /> class.
+    /// </summary>
+    /// <param name="plugin">The plugin to display the markdown for.</param>
+    /// <param name="markdownFile">A file path relative to the plugin or absolute, pointing to the markdown to display</param>
+    /// <param name="id">The ID of the help page, used to quickly lead users to it in case of errors.</param>
+    /// <exception cref="FileNotFoundException"></exception>
+    public MarkdownPluginHelpPage(Plugin plugin, string title, string id, string markdownFile)
+    {
+        Plugin = plugin;
+        Title = title;
+        Id = id;
+        MarkdownFile = Path.IsPathRooted(markdownFile) ? markdownFile : Plugin.ResolveRelativePath(markdownFile);
+
+        if (!File.Exists(MarkdownFile))
+            throw new FileNotFoundException($"Could not find markdown file at \"{MarkdownFile}\"");
+    }
+
+    /// <inheritdoc />
+    public Plugin Plugin { get; }
+
+    /// <inheritdoc />
+    public string Title { get; }
+
+    /// <inheritdoc />
+    public string Id { get; }
+
+    /// <summary>
+    ///     Gets the absolute path to the markdown that is to be displayed.
+    /// </summary>
+    public string MarkdownFile { get; }
+}

src/Artemis.Core/Plugins/Plugin.cs

@@ -36,6 +36,7 @@ public class Plugin : CorePropertyChanged, IDisposable
 
         Features = new ReadOnlyCollection<PluginFeatureInfo>(_features);
         Profilers = new ReadOnlyCollection<Profiler>(_profilers);
+        HelpPages = new List<IPluginHelpPage>();
     }
 
     /// <summary>
@@ -58,6 +59,8 @@ public class Plugin : CorePropertyChanged, IDisposable
     /// </summary>
     public IPluginConfigurationDialog? ConfigurationDialog { get; set; }
 
+    public List<IPluginHelpPage> HelpPages { get; }
+
     /// <summary>
     ///     Indicates whether the user enabled the plugin or not
     /// </summary>