transformers

275ad9d8 - Add: TensorFlow example for semantic segmentation task guide (#21223)

Add: TensorFlow example for semantic segmentation task guide (#21223) * wip: adding tf example for semantic segmentation guide * completed the working example in tf * make style * Update docs/source/en/tasks/semantic_segmentation.mdx Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com> * Update docs/source/en/tasks/semantic_segmentation.mdx Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com> * fixed a callback doc links Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>