feat: add ability to use webhook

lib/InvalidConfigurationException.ts

@@ -0,0 +1,10 @@
+export class InvalidConfigurationException extends Error {
+  public constructor(
+    public readonly invalidField,
+    public readonly invalidCause,
+  ) {
+    super(
+      `Options validation failed, "${invalidField}" invalid — ${invalidCause}`,
+    )
+  }
+}