Add @providesModule back to draft-js modules

Summary: Added providesModule back to draft-js modules to unbreak the build.

Reviewed By: arcanis

Differential Revision: D7535532

fbshipit-source-id: 2d87637b97c99c40856c022bbdb3f18cd42bdf59

Author: rubennorte

src/component/base/DraftEditor.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditor.react
  * @format
  * @flow
  * @preventMunge

src/component/base/DraftEditorPlaceholder.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorPlaceholder.react
  * @format
  * @flow
  */

src/component/base/DraftEditorProps.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorProps
  * @format
  * @flow
  */

src/component/base/DraftScrollPosition.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftScrollPosition
  * @format
  * @flow strict
  */

src/component/base/DraftTextAlignment.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftTextAlignment
  * @format
  * @flow strict
  */

src/component/contents/DraftEditorBlock.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorBlock.react
  * @format
  * @flow
  */

src/component/contents/DraftEditorContents-core.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorContents-core.react
  * @format
  * @flow
  */

src/component/contents/DraftEditorLeaf.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorLeaf.react
  * @format
  * @flow
  */

src/component/contents/DraftEditorTextNode.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorTextNode.react
  * @format
  * @flow
  */

src/component/contents/exploration/DraftEditorBlockNode.react.js

@@ -6,6 +6,7 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
+ * @providesModule DraftEditorBlockNode.react
  * @format
  * @flow
  *