Add web scrapper endpoint to Subnet

[juanmanso]

Description

Notion Items:

• https://www.notion.so/masafinance/EPIC-Subnet-v0-0-2-alpha-fbc2d291be2b4e1fa46585eb014a3ef8?pvs=4#5396366aa714490cb7a2f5ba683bb701
• https://www.notion.so/masafinance/EPIC-Subnet-v0-0-2-alpha-fbc2d291be2b4e1fa46585eb014a3ef8?pvs=4#78bc0f084be04ab58491843946709e5c

Acceptance criteria

• User can request the subnet (via validator api) to scrape a specific URL with a depth parameter as well
• Miners connect and retrieve information via Masa Protocol's Node
• Validators check minimum requirements of the response to score the miner
  • Response can be parsed into the expected structure
  • Response contains at least 1 element on the pages array