Add Neural Network Layer functions to Mindspore frontend

[Ishticode]

These functions can be found in mindspore.ops namespace.

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Please keep in mind that the proper way to link an issue to this list is to comment "- [ ] #issue_number" while the issue's title only includes the name of the function you've chosen.

• [x] #20804

• [ ] adaptive_avg_pool3d

• [ ] adaptive_max_pool2d

• [x] #21409

• [ ] #21483

• [x] #20120

• [ ] ctc_greedy_decoder

• [x] #20945

• [x] #19661

• [ ] #213613d

• [x] #21049

• [x] #21048

• [ ] #21047

• [x] #21513

• [x] #21045

• [x] #21044

• [ ] ding

  Loss

• [ ] binary_cross_entropy_with_logits

• [ ] cross_entropy

• [ ] nll_loss

• [ ] smooth_l1_loss

Activations

• [x] #21551
• [x] #21501
• [ ] gumbel_softmax
• [ ] #20863
• [x] #21274
• [x] #21254
• [ ] #21276
• [x] #18209
• [x] #20118
• [x] #17758
• [x] #21544
• [x] #16674

[vmurari17]

@Ishticode could you mark softsign as done since I my PR got merged

[Ishticode]

vmurari17

@vmurari17 sure I can do that. pls link the pr for me and the issue if it was opened. If not I can create one. Thanks

[vmurari17]

@Ishticode PR :

• [ ] #17761 ISSUE :

• [ ] #17758

  https://github.com/unifyai/ivy/pull/17761 https://github.com/unifyai/ivy/issues/17758

[themaigod]

• [conv1d] #20961

[themaigod]

• [conv3d] #20962

[sushmanthreddy]

@Ishticode can u pls review the above pull request?

[sushmanthreddy]

@Ishticode pls review the dropout 3d also

[sushmanthreddy]

• [adaptive_avg_pool3d] #21046

[sushmanthreddy]

• [adaptive_maxpoole_2d] #21051

[sushmanthreddy]

• [dropout3d] #21050

[sushmanthreddy]

• [softshrink] #21505

[sushmanthreddy]

• [smooth_l1_loss] #21523

[sushmanthreddy]

• [gumbel_softmax] #21043