GitLab

Added a link to the model-garden guide that was published on TF webpage

Update 'nlp model building` broken link

* * Update README.md

Added installation approach for Windows.

* Update README.md

Updated line 91 from 
`pip3 install --user -r official/requirements.txt`

to 
`pip3 install --user -r models/official/requirements.txt`

* Update README.md
Update line 78 from
$env:PYTHONPATH += "C:\path\to\models"

to
$env:PYTHONPATH += ":\path\to\models"
Co-authored-by: Vishnuvardhan Janapati <46058173+jvishnuvardhan@users.noreply.github.com>

* Updated readme as tensorflow-text gets installated

Updated readme as tensorflow-text gets installated automatically by pip

* Update README.md

Fix typo

Update readme with pypi package for tf-models-official instead of tf

Formatted `BibTex` for correct citation.

* Update README.md

Updating README.md with the installation approach. Also, formatted text for consistency.

* Updated tensorflow/models/README.md

Added markdown code to hide details. User need to clic the triangle symbol to see the details.
This makes the page look better

* Update README.md

Update the section for citation

Revise the citation section

Add information how to cite TensorFlow Model Garden

* (doc) Add training log note to README.md

* Incorporate reviewer notes

Update the logo image path.

Remove old announcements (Redesign in progress)

Update the MnasFPN link

Add OD API announcement

Add SpineNet to the Announcements section