Support module dependencies from non-app directory

Core/Core.cs

@@ -164,14 +164,29 @@ namespace Kruzya.TelegramBot.Core
             
             appDomain.AssemblyResolve += delegate(object? sender, ResolveEventArgs args)
             {
-                var basePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+                var assemblyName = new AssemblyName(args.Name).Name + ".dll";
-                var assemblyPath = Path.Combine(basePath, new AssemblyName(args.Name).Name + ".dll");
+
-                if (!File.Exists(assemblyPath))
+                var possiblePaths = new List<string>();
+                if (args.RequestingAssembly != null)
                 {
-                    return null;
+                    var modulePath = Path.GetDirectoryName(args.RequestingAssembly.Location);
+                    possiblePaths.Add(modulePath);
+                    possiblePaths.Add(args.RequestingAssembly.Location.Replace(".dll", ""));
                 }
 
+                possiblePaths.Add(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
+                possiblePaths.Add(Environment.CurrentDirectory);
+
+                foreach (var basePath in possiblePaths)
+                {
+                    var assemblyPath = $"{basePath}/{assemblyName}";
+                    if (File.Exists(assemblyPath))
+                    {
                         return Assembly.LoadFrom(assemblyPath);
+                    }
+                }
+
+                return null;
             };
         }
     }