chore: move to docling-project org (#1160)

* chore: rename org

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* Update docs/faq/index.md

Co-authored-by: Panos Vagenas <35837085+vagenas@users.noreply.github.com>
Signed-off-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>

* update github pages

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* revert test content

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

---------

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>
Signed-off-by: Michele Dolfi <97102151+dolfim-ibm@users.noreply.github.com>
Co-authored-by: Panos Vagenas <35837085+vagenas@users.noreply.github.com>

docs/examples/rag_langchain.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<a href=\"https://colab.research.google.com/github/DS4SD/docling/blob/main/docs/examples/rag_langchain.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+    "<a href=\"https://colab.research.google.com/github/docling-project/docling/blob/main/docs/examples/rag_langchain.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
    ]
   },
   {
@@ -168,7 +168,7 @@
    "source": [
     "> Note: a message saying `\"Token indices sequence length is longer than the specified\n",
     "maximum sequence length...\"` can be ignored in this case — details\n",
-    "[here](https://github.com/DS4SD/docling-core/issues/119#issuecomment-2577418826)."
+    "[here](https://github.com/docling-project/docling-core/issues/119#issuecomment-2577418826)."
    ]
   },
   {