Create the 'accepted_keys' folder on startup (#493)

Create the 'accepted_keys' folder on startup and use constant for folder name

Author: CoPokBl

Obsidian/Plugins/PluginManager.cs

@@ -90,7 +90,7 @@ public PluginManager(IServer server, IServiceProvider serverProvider,
 
     public async Task LoadPluginsAsync()
     {
-        var acceptedKeysPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "accepted_keys");
+        var acceptedKeysPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), ServerConstants.AcceptedKeysPath);
         var acceptedKeyFiles = Directory.GetFiles(acceptedKeysPath);
 
         using var rsa = RSA.Create();

Obsidian/Server.cs

@@ -190,6 +190,7 @@ public async Task RunAsync()
 
         Directory.CreateDirectory(ServerConstants.PermissionPath);
         Directory.CreateDirectory(ServerConstants.PersistentDataPath);
+        Directory.CreateDirectory(ServerConstants.AcceptedKeysPath);
         Directory.CreateDirectory("plugins");
 
         StartTime = DateTimeOffset.Now;

Obsidian/ServerConstants.cs

@@ -29,4 +29,5 @@ public static string VERSION
 
     public const string PersistentDataPath = "persistentdata";
     public const string PermissionPath = "permissions";
+    public const string AcceptedKeysPath = "accepted_keys";
 }