[Add] SLURP models and examples

[stevehuang52]

The PR adds the new SOTA model we have for intent classification and slot filling for spoken language understanding.

• [x] Move transformer modules from nemo.collections.nlp.modules.common to nemo.collections.common.parts, see also in #4765
• [x] Add models, loss and utils to nemo.collection.asr
• [x] Add example scripts for data downloading and processing
• [x] Add example scripts for training and evaluation
• [x] Refactor model to be independent of EncDecCTCBPE
• [x] Refactor to use built-in SmoothedCrossEntropyLoss
• [x] Write README for example
• [x] Upload model checkpoints to NGC and create model cards
• [x] Update Docs and list_available_models()
• [ ] Create tutorial. // Plan to add in later PR

The NGC model card is here The HF model card is here

[lgtm-com[bot]]

This pull request introduces 2 alerts when merging 31e7aec8826130e844fa706a429ae7263e463b94 into 8c04c1ef03e6a63b03bf29cd2157c991c755006a - view on LGTM.com

new alerts:

• 1 for Except block handles 'BaseException'
• 1 for Unused import

[lgtm-com[bot]]

This pull request introduces 2 alerts when merging 1d3bbdd5be4e45270b032949ce4180b5b7ca3029 into e345322f6875e450567c16ce381f7959451c2c84 - view on LGTM.com

new alerts:

• 1 for Unused import
• 1 for NotImplemented is not an Exception

[lgtm-com[bot]]

This pull request introduces 2 alerts when merging dfed598f6835fe1805e435ca33a684eaba320ccf into e345322f6875e450567c16ce381f7959451c2c84 - view on LGTM.com

new alerts:

• 2 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert when merging a0c58b11a2c0175eac84af201745455115dc0cbf into 543118c3a0eb1f0a824f77659f92e36d3318fc75 - view on LGTM.com

new alerts:

• 1 for 'import *' may pollute namespace

[lgtm-com[bot]]

This pull request introduces 7 alerts when merging 3ea02f83fab795d1a039b296ba248e7fad1221eb into 987674e29ea90f9a2f663bf95d74bd947d76bbc0 - view on LGTM.com

new alerts:

• 7 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 719f9af3a7d86effd5cc72065c5691aade53b9e2 into da9f4138137565fe048a3f99dac343dcfd40aee4 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 84daf5ce5ea8f196f89876b2d761c762889f3d8b into da9f4138137565fe048a3f99dac343dcfd40aee4 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging e2afbf5cb12ce92d72e45de03ca24d8cc094a3ac into da9f4138137565fe048a3f99dac343dcfd40aee4 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 75e7e60284d770da5b93a22a65889d58dcc2c988 into c0bfa6f07f766a3abd1804f5b666474887e0a1e4 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 4bc70283837ac35bbcaa54c2d0ef85becfeb111f into c0bfa6f07f766a3abd1804f5b666474887e0a1e4 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging defdff13f7494a73cb8c50c3765463b54943ba30 into c74bfc093fe151bfb275c1fc1aa266832f7036ea - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 49f5e0e123c3c20990e95c5da0909a5a060954d2 into c74bfc093fe151bfb275c1fc1aa266832f7036ea - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging b16d2fd9e48e670a91f22753fe187653cd1e6233 into 4d3e33588f2c2a61253d4843904959ee38eb9687 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 8adecab25252b1bbd0b4886f22f1cbbcea18213f into 0e57b58a849f6275629910cdeebd608e528327bf - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 608fd6a4cc73cd8d972e00dbacfcfa498e53ca8c into 0e57b58a849f6275629910cdeebd608e528327bf - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging ff580876af753183b10982788ce6e5cdfebf1c76 into f85494cf2b288c6c9eda006cd08d86af46251700 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert and fixes 6 when merging 937db14356c57a28d6cf5616be666977c80a4666 into 1c16b966299203392aaba73090d820376a291974 - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 6 for Unused import

[lgtm-com[bot]]

This pull request introduces 1 alert when merging b96a192833353450b42cec8e92cbd2098bb4a771 into efc0c0418644b317b24218680c2ee3f311bc5fe0 - view on LGTM.com

new alerts:

• 1 for Unused import