Added: Colab to run SDK in hosted notebook

[nengelmann]

1. Adding a getting started colab, which describes how to install, initialize and run the SDK in colab.
2. Changed the CLI tooling (cli.py) so that credentials can be passed as command line arguments.
3. Changed error log of missing AI dependencies for default installation into a warning log.
4. Updated the getting started documentation on dev.konfuzio to include the colab installation.
5. Removed the deepnote notebook installation.

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[nengelmann]

Detailed description

1. Adding a getting started colab, which describes how to install, initialize and run the SDK in colab.

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2. Changed the CLI tooling (cli.py) so that credentials can be passed as command line arguments.
   konfuzio_sdk init --user {User_Name} --password {Password} --host {Host}

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3. On installing konuzio_sdk without AI components, there is the following "error" at initialization time.

ERROR:root:A library tensorflow-cpu has not been found, so Konfuzio SDK is initialized without the AI components. To install Konfuzio SDK with all the AI-related libraries, see https://dev.konfuzio.com/sdk/get_started/index.html#install-konfuzio-sdk-package.
ERROR:root:A library timm has not been found, so Konfuzio SDK is initialized without the AI components. To install Konfuzio SDK with all the AI-related libraries, see https://dev.konfuzio.com/sdk/get_started/index.html#install-konfuzio-sdk-package.
[SUCCESS] SDK initialized!

This is changed into a warning, because it actually is not an error and currently confusing users.

WARNING:root:A library tensorflow-cpu has not been found, so Konfuzio SDK is initialized without the AI components. To install Konfuzio SDK with all the AI-related libraries, see https://dev.konfuzio.com/sdk/get_started/index.html#install-konfuzio-sdk-package.
WARNING:root:A library timm has not been found, so Konfuzio SDK is initialized without the AI components. To install Konfuzio SDK with all the AI-related libraries, see https://dev.konfuzio.com/sdk/get_started/index.html#install-konfuzio-sdk-package.
[SUCCESS] SDK initialized!

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4. Updated the getting started documentation on dev.konfuzio to include the colab installation and link to the colab. Removed the deepnote notebook installation as it is unnecessarily complicated and not useful to get started.

[github-actions]

Name                                               Stmts   Miss  Cover
----------------------------------------------------------------------
konfuzio_sdk/__init__.py                               8      1    88%
konfuzio_sdk/api.py                                  368     71    81%
konfuzio_sdk/cli.py                                   39      0   100%
konfuzio_sdk/data.py                                2203    228    90%
konfuzio_sdk/evaluate.py                             366     29    92%
konfuzio_sdk/extras.py                                73     17    77%
konfuzio_sdk/normalize.py                            380     27    93%
konfuzio_sdk/regex.py                                107      0   100%
konfuzio_sdk/samples.py                              149      0   100%
konfuzio_sdk/settings_importer.py                     35      1    97%
konfuzio_sdk/tokenizer/__init__.py                     0      0   100%
konfuzio_sdk/tokenizer/base.py                       173     28    84%
konfuzio_sdk/tokenizer/paragraph_and_sentence.py     174     10    94%
konfuzio_sdk/tokenizer/regex.py                       96      2    98%
konfuzio_sdk/trainer/__init__.py                       0      0   100%
konfuzio_sdk/trainer/base.py                         161     23    86%
konfuzio_sdk/trainer/document_categorization.py      784     74    91%
konfuzio_sdk/trainer/file_splitting.py               520     38    93%
konfuzio_sdk/trainer/image.py                         46     17    63%
konfuzio_sdk/trainer/information_extraction.py      1064     86    92%
konfuzio_sdk/trainer/tokenization.py                 136     97    29%
konfuzio_sdk/trainer/utils.py                         47      0   100%
konfuzio_sdk/urls.py                                 107     12    89%
konfuzio_sdk/utils.py                                409    124    70%
----------------------------------------------------------------------
TOTAL                                               7445    885    88%

[github-actions]

Name                                               Stmts   Miss  Cover
----------------------------------------------------------------------
konfuzio_sdk/__init__.py                               8      1    88%
konfuzio_sdk/api.py                                  453     84    81%
konfuzio_sdk/cli.py                                   39      0   100%
konfuzio_sdk/data.py                                2289    261    89%
konfuzio_sdk/evaluate.py                             366     29    92%
konfuzio_sdk/extras.py                                73     17    77%
konfuzio_sdk/normalize.py                            380     27    93%
konfuzio_sdk/regex.py                                107      0   100%
konfuzio_sdk/samples.py                              149      0   100%
konfuzio_sdk/settings_importer.py                     35      1    97%
konfuzio_sdk/tokenizer/__init__.py                     0      0   100%
konfuzio_sdk/tokenizer/base.py                       173     29    83%
konfuzio_sdk/tokenizer/paragraph_and_sentence.py     174    151    13%
konfuzio_sdk/tokenizer/regex.py                       96      2    98%
konfuzio_sdk/trainer/__init__.py                       0      0   100%
konfuzio_sdk/trainer/base.py                         161     23    86%
konfuzio_sdk/trainer/document_categorization.py      784     74    91%
konfuzio_sdk/trainer/file_splitting.py               520     38    93%
konfuzio_sdk/trainer/image.py                         46     17    63%
konfuzio_sdk/trainer/information_extraction.py      1064    118    89%
konfuzio_sdk/trainer/tokenization.py                 136     97    29%
konfuzio_sdk/trainer/utils.py                         47      0   100%
konfuzio_sdk/urls.py                                 133     12    91%
konfuzio_sdk/utils.py                                415    137    67%
----------------------------------------------------------------------
TOTAL                                               7648   1118    85%