Generate Typescript Docs for @actions/artifact (#1595)

* autogenerate artifact documentation

* clean up comments for better autogen docs

docs/generated/interfaces/FindOptions.md

@@ -0,0 +1,30 @@
+[@actions/artifact](../README.md) / FindOptions
+
+# Interface: FindOptions
+
+## Table of contents
+
+### Properties
+
+- [findBy](FindOptions.md#findby)
+
+## Properties
+
+### findBy
+
+• `Optional` **findBy**: `Object`
+
+The criteria for finding Artifact(s) out of the scope of the current run.
+
+#### Type declaration
+
+| Name | Type | Description |
+| :------ | :------ | :------ |
+| `repositoryName` | `string` | Repository owner (eg. 'toolkit') |
+| `repositoryOwner` | `string` | Repository owner (eg. 'actions') |
+| `token` | `string` | Token with actions:read permissions |
+| `workflowRunId` | `number` | WorkflowRun of the artifact(s) to lookup |
+
+#### Defined in
+
+[src/internal/shared/interfaces.ts:131](https://github.com/actions/toolkit/blob/e3764a5/packages/artifact/src/internal/shared/interfaces.ts#L131)