update new pretraining dataset links

docs/_static/raw_datasets.csv

@@ -1,10 +1,10 @@
 Sign Language,Total Duration,Download Size
-American,879.25 Hrs,`75.68GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/American.zip>`_
-Australian,71.99 Hrs,`6.46GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Australian.zip>`_
-British,675.78 Hrs,`56.98GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/British.zip>`_
-Chinese,305.65 Hrs,`25.78GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Chinese.zip>`_
-Greek,475.18 Hrs,`40.44GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Greek.zip>`_
-Korean,426.72 Hrs,`46.45GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Korean.zip>`_
-Russian,412.67 Hrs,`35.32GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Russian.zip>`_
-Spanish,161.48 Hrs,`12 GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Spanish.zip>`_
-Turkish,48.50 Hrs,`3.87 GB <https://ai4bharatsignlanguage.blob.core.windows.net/archives/raw_datasets/Turkish.zip>`_
+American,879.25 Hrs,`75.68GB <https://zenodo.org/record/6990583/files/American.zip>`_
+Australian,71.99 Hrs,`6.46GB <https://zenodo.org/record/6990583/files/Australian.zip>`_
+British,675.78 Hrs,`56.98GB <https://zenodo.org/record/6990583/files/British.zip>`_
+Chinese,305.65 Hrs,`25.78GB <https://zenodo.org/record/6673685/files/Chinese.zip>`_
+Greek,475.18 Hrs,`40.44GB <https://zenodo.org/record/6673685/files/Greek.zip>`_
+Korean,426.72 Hrs,`46.45GB <https://zenodo.org/record/6673685/files/Korean.zip>`_
+Russian,412.67 Hrs,`35.32GB <https://zenodo.org/record/6673685/files/Russian.zip>`_
+Spanish,161.48 Hrs,`12 GB <https://zenodo.org/record/6990583/files/Spanish.zip`_
+Turkish,48.50 Hrs,`3.87 GB <https://zenodo.org/record/6673685/files/Turkish.zip>`_