fix: Update README.md to change the URL issue of hosted solution (#1479)

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## Description
Updated the README file to include the correct URL to the hosted
solution. Previously it tried to go as param after GitHub URL, instead I
included 'https'.

## Type of Change
<!-- Please check the relevant option -->
- [ ] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [x] Documentation update
- [ ] Code refactoring
- [ ] Performance improvement
- [ ] Other (please specify):

## Pre-submission Checklist
<!-- Please check all boxes that apply before submitting your PR -->
- [x] **I have tested my changes thoroughly before submitting this PR**
- [ ] **This PR contains minimal changes necessary to address the
issue/feature**
- [ ] My code follows the project's coding standards and style
guidelines
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have added necessary documentation (if applicable)
- [ ] All new and existing tests pass
- [ ] I have searched existing PRs to ensure this change hasn't been
submitted already
- [ ] I have linked any relevant issues in the description
- [x] My commits have clear and descriptive messages

## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.

README.md

@@ -85,7 +85,7 @@ Self-hosted package:
 - Is highly customizable with custom tasks, pipelines, and a set of built-in search endpoints
 
 Hosted platform:
-- Includes a managed UI and a [hosted solution](www.cognee.ai)
+- Includes a managed UI and a [hosted solution](https://www.cognee.ai)