feat: add pdf_downloader tool

hyko_toolkit/functions/web/web_scraping/pdf_downloader/Dockerfile

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+FROM hyko-sdk:latest
+
+COPY . .
+
+CMD ["uvicorn", "--host", "0.0.0.0", "--port", "3000", "main:func"]

hyko_toolkit/functions/web/web_scraping/pdf_downloader/main.py

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+import requests
+from hyko_sdk.io import PDF
+from hyko_sdk.models import CoreModel, Ext
+from metadata import Inputs, Outputs, func
+
+
+@func.on_execute
+async def main(inputs: Inputs, params: CoreModel) -> Outputs:
+    # Send a GET request to the url
+    response = requests.get(inputs.url)
+    response.raise_for_status()
+    # If the GET request is successful, add the content to the list
+    data = response.content
+    return Outputs(pdf=PDF(val=data, obj_ext=Ext.PDF))

hyko_toolkit/functions/web/web_scraping/pdf_downloader/metadata.py

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+from hyko_sdk.definitions import ToolkitFunction
+from hyko_sdk.io import PDF
+from hyko_sdk.models import CoreModel
+from pydantic import Field
+
+func = ToolkitFunction(
+    name="pdf_downloader",
+    task="web_scraping",
+    description="This function downloads content from a URL and returns it as a PDF object.",
+)
+
+
+@func.set_input
+class Inputs(CoreModel):
+    url: str = Field(
+        ...,
+        description="Your Target PDF URL.",
+    )
+
+
+@func.set_output
+class Outputs(CoreModel):
+    pdf: PDF = Field(..., description="The Downloaded PDF.")