message: Update TFLite Docs on tf.gather
  Support was added in
diff: @@ -132,7 +132,6 @@ TensorFlow operation not listed above are likely unsupported. Notably, the
  following common ops are not supported at the moment:
  * [tf.depth_to_space](https://www.tensorflow.org/api_docs/python/tf/depth_to_space)
  -* [tf.gather](https://www.tensorflow.org/api_docs/python/tf/gather)
  * [tf.image.resize_bilinear](https://www.tensorflow.org/api_docs/python/tf/image/resize_bilinear)
  * [tf.slice](https://www.tensorflow.org/api_docs/python/tf/slice)
  * [tf.tanh](https://www.tensorflow.org/api_docs/python/tf/tanh)
  @@ -281,6 +280,19 @@ Options {
  }
  ```
  +**GATHER**
  +
  +```
  +Inputs {
  + 0: params tensor
  + 1: indices tensor
  + 2: axis tensor (optional)
  +}
  +Outputs {
  + 0: a tensor with same type as the params tensor.
  +}
  +```
  +
  **GREATER**
  ```
  