docs: update logo docs and copyright years

[MortGron]

Description

Add higher quality Cognite logo and dynamic copyright years in the documentation. This is inspred by the SDK: https://cognite-sdk-python.readthedocs-hosted.com/en/latest/

Motivation and Context

Would make the look of the documentation more aligned with the SDK documentation.

How Has This Been Tested?

Tested locally

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Refactor (non-breaking change which improves implementation)
• Performance (non-breaking change which improves performance. Please add associated performance test and results)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Non-functional change (xml comments/documentation/etc)

Contributor Checklist:

• My code follows the code style of this project.
• I have added an example of my new feature and included it in the documentation.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My Pull Request name follows the naming convention fix: <description>, feat: <description>, etc.

Reviewer Checklist for Charts compliant functions:

• The docstrings of the new function follow the contributing guidelines.
• The new function is professionally documented
• The new function and associated scripts are covered by one or more unit tests and code coverage did not decrease.
• The new function is accompanied by an example and it is included in the Gallery of Charts.
• The new function is reviewed in Chromatic. Access the storybook build results url and comment, approve or deny.
• All function inputs, arguments, and outputs have a supported data type and have human readable names.
• No code language is included in the description of the function or parameters (e.g use "polynomial order" instead of "poly_order")

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.04%. Comparing base (bbc116a) to head (dc80caa).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #652   +/-   ##
=======================================
  Coverage   91.04%   91.04%           
=======================================
  Files         111      111           
  Lines        4178     4178           
  Branches      552      552           
=======================================
  Hits         3804     3804           
  Misses        231      231           
  Partials      143      143           

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[github-actions]

Unit Test Results

    24 files  ±0      24 suites  ±0   35m 22s ⏱️ + 1m 21s
 1 212 tests ±0   1 212 ✅ ±0   0 💤 ±0  0 ❌ ±0 
21 120 runs  ±0  21 108 ✅ ±0  12 💤 ±0  0 ❌ ±0 

Results for commit dc80caa. ± Comparison against base commit bbc116a.

[ebrattli]

LGTM!