fix: removal of link to docs and placeholder added

[Dudleyneedham]

fixes https://github.com/KILTprotocol/ticket/issues/3135

Fix Readme and removal of the link in the docs

How to test:

Please provide a brief step-by-step instruction.
If necessary provide information about dependencies (specific configuration, branches, database dumps, etc.)

• Step 1
• Step 2
• etc.

Checklist:

• I have verified that the code works
• I have verified that the code is easy to understand
  • If not, I have left a well-balanced amount of inline comments
• I have left the code in a better state
• I have documented the changes (where applicable)
  • Either PR or Ticket to update the Docs
  • Link the PR/Ticket here

[kilted-andres]

Temporarily ok.