Plugins: Define IPlugin and IPluginOption interfaces

Il2CppInspector.Common/Plugins/API/V100/IPlugin.cs

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+/*
+    Copyright 2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
+
+    All rights reserved.
+*/
+
+using System.Collections.Generic;
+
+namespace Il2CppInspector.PluginAPI.V100
+{
+    /// <summary>
+    /// Core interface that all plugins must implement
+    /// </summary>
+    public interface IPlugin
+    {
+        /// <summary>
+        /// Plugin name for CLI and unique ID
+        /// </summary>
+        public string Id { get; }
+
+        /// <summary>
+        /// Human-readable plugin name
+        /// </summary>
+        public string Name { get; }
+
+        /// <summary>
+        /// Nickname of the plugiin author
+        /// </summary>
+        public string Author { get; }
+
+        /// <summary>
+        /// Human-readable version string for the plugin
+        /// Always use lexical order: version string may be used for updates
+        /// </summary>
+        public string Version { get; }
+
+        /// <summary>
+        /// Description of the plugin
+        /// </summary>
+        public string Description { get; }
+
+        /// <summary>
+        /// Plugin options
+        /// </summary>
+        public List<IPluginOption> Options { get; }
+    }
+}