message: Add build badge for community supported continuous build for Xtensa.
diff: @@ -6,12 +6,14 @@ https://github.com/ekalinin/github-markdown-toc#auto-insert-and-update-toc
  -->
  <!--ts-->
  -
  * [TensorFlow Lite for Microcontrollers](#tensorflow-lite-for-microcontrollers)
  + * [Continuous Build Status](#continuous-build-status)
  + * [Official Builds](#official-builds)
  + * [Community Supported Builds](#community-supported-builds)
  * [Getting Help and Involved](#getting-help-and-involved)
  -* [Additional Documentation for the TFLM Internals](#additional-documentation-for-the-tflm-internals)
  + * [Additional Documentation](#additional-documentation)
  -<!-- Added by: advaitjain, at: Mon 05 Oct 2020 02:37:34 PM PDT -->
  +<!-- Added by: advaitjain, at: Mon 23 Nov 2020 03:32:57 PM PST -->
  <!--te-->
  @@ -26,10 +28,17 @@ To learn how to use the framework, visit the developer documentation at
  # Continuous Build Status
  +## Official Builds
  Build Type | Status | Artifacts
  ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------
  +---------- | ----------- | ---------
  Linux | [![Status](https://storage.googleapis.com/tensorflow-kokoro-build-badges/tflite-micro.svg)](https://storage.googleapis.com/tensorflow-kokoro-build-badges/tflite-micro.html) |
  +## Community Supported Builds
  +Build Type | Status | Artifacts
  +---------- | ----------- | ---------
  +Xtensa | [![Status](https://github.com/advaitjain/tensorflow/blob/local-continuous-builds/tensorflow/lite/micro/docs/local_continuous_builds/xtensa-build-status.svg)](https://github.com/advaitjain/tensorflow/tree/local-continuous-builds/tensorflow/lite/micro/docs/local_continuous_builds/xtensa.md) |
  +
  +
  # Getting Help and Involved
  A
  