Fixed bad ignore setting that caused missing file

packages/sitecore-jss-angular-schematics/.gitignore

@@ -1,7 +1,7 @@
 src/**/*.js
 **/*.js.map
 **/*.d.ts
-jss-component/schema.d.ts
+!src/jss-component/schema.d.ts
 
 # IDEs
 .idea/

packages/sitecore-jss-angular-schematics/src/jss-component/schema.d.ts

@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+export interface Schema {
+  /**
+   * The path to create the component.
+   */
+  path?: string;
+  /**
+   * The path to the disconnected manifest to store the component definition.
+   */
+  manifestPath?: string;
+  /**
+   * Skips generating a disconnected manifest definition. Use for Sitecore-first development.
+   */
+  noManifest?: boolean;
+  /**
+   * The name of the project.
+   */
+  project?: string;
+  /**
+   * The name of the component.
+   */
+  name: string;
+  /**
+   * Specifies if the style will be in the ts file.
+   */
+  inlineStyle?: boolean;
+  /**
+   * Specifies if the template will be in the ts file.
+   */
+  inlineTemplate?: boolean;
+  /**
+   * Specifies the view encapsulation strategy.
+   */
+  viewEncapsulation?: ('Emulated' | 'Native' | 'None');
+  /**
+   * Specifies the change detection strategy.
+   */
+  changeDetection?: ('Default' | 'OnPush');
+  /**
+   * The prefix to apply to generated selectors.
+   */
+  prefix?: string;
+  /**
+   * The file extension to be used for style files.
+   */
+  styleext?: string;
+  /**
+   * Specifies if a spec file is generated.
+   */
+  spec?: boolean;
+  /**
+   * Flag to indicate if a dir is created.
+   */
+  flat?: boolean;
+  /**
+   * The selector to use for the component.
+   */
+  selector?: string;
+  /**
+   * Specify whether to generate a lazy-loading module file for the component.
+   * When using the default JSS component factory code generator, this will cause the component to lazy load when needed.
+   * If using hand-edited component factory, you'll need to add the module to the lazy components manually.
+   */
+  lazyload?: boolean;
+}