update to dll loading

Added fetch dll path through registry.

Added custom error class VBPathError in case dll path was not found

Added function Setup_DLL to base.ps1

Wrapper setup stops if setup_dll returns false (no login, no class setup)

lib/Voicemeeter.psm1

@@ -14,11 +14,14 @@ class Remote {
     }
 
     [void] Setup() {
-        Login -TYPE $this.type
+        if(Setup_DLL) {
+            Login -TYPE $this.type
 
-        $this.button = Buttons
-        $this.strip = Strips
-        $this.bus = Buses
+            $this.button = Buttons
+            $this.strip = Strips
+            $this.bus = Buses
+        }
+        else { Exit }
     }
 
     [void] Logout() {