Add tutorial to port Llama 3.2 1B model to JAX

[windmaple]

No description provided.

[windmaple]

@rcrowe-google FYI

[rcrowe-google]

Don't we need to add the license text?

#@title Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

[windmaple]

None of the existing tutorials has the license header actually.