Support for Swedish [sv-SE] OCR

[Payam Yavari]

Can you please add support for Swedish language or guide me to have I can do it so that I can add a pull request?

[Payam Yavari]

Here is some code I am using in a another project. Please let me know if you want me to create a pull request.

    "ambar_sv": {
      "tokenizer": "standard",
      "filter": [
        "lowercase",
        "icu_folding_se",
        "swedish_stop",
        "swedish_stemmer"
      ],
	  
   "swedish_stemmer": {
      "type": "stemmer",
      "language": "swedish"
    },

    "swedish_stop": {
      "type": "stop",
      "stopwords": "_swedish_"
    },
   "icu_folding_se": {
      "type": "icu_folding",
      "unicodeSetFilter": "[^åäöÅÄÖ]"
    }

analysis-icu plugin needs to be installed for icu_folding.

    RUN bin/elasticsearch-plugin install analysis-icu

[Payam Yavari]

I guess https://github.com/RD17/ambar/blob/master/Pipeline/Dockerfile also needs the following line:

tesseract-ocr-swe \

[stale]

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