This commit introduces a new exercise named 'Mazy Mice'. The exercise is designed to implement a maze generator that produces perfect mazes, i.e., mazes that have only one correct path, without any isolated sections. User must also adhere to the restrictions about the maze's size and layout depicted in the problem description. Tasks also include a description of how the mazes should be visually represented. The commit also includes canonical data for testing the described functionality.

Adjusted the format of the 'Mazy Mice' exercise description to enhance legibility. Added separate lines before the maze example sections to clearly differentiate them from the surrounding text. These changes improve the user's reading experience, making it easier for them to understand the task.

Expanded the comment section in the canonical-data.json file for the "mazy-mice" exercise to provide a more detailed guideline on the required checks for a generated maze. These include confirming correct maze dimensions, valid character use, singular entrance and exit, perfection of the maze and its randomness.

Indentation in the maze diagrams within the mazy-mice exercise was inconsistent. The changes ensure tabs are uniformly used for all lines to improve readability and consistency in presentation.

Headings levels in the "mazy-mice/description.md" were adjusted for better organization. '# Hints' was changed to '## Hints' and '## Maze generation' and '## Box drawing characters' changed to '###'. This allows for an improved logical hierarchy and readability of the document.

Removed the Box-drawing reference link from the code block area to the bottom of the document under the "Maze generation" section. This change was proposed to enhance the readability of the document and provide the link at a more appropriate location.

Expanded test coverage for the 'generateMaze' functionality in the Mazy Mice exercise. This includes tests for maze dimensions, character validity, maze entrance and exit, and more. Additionally, replaced 'createMaze' with 'generateMaze' in existing test cases to ensure consistency. These changes aim to provide a more comprehensive evaluation of the generateMaze function's correctness and robustness.

Changed the casing of a markdown hyperlink reference to maintain consistency. Also adjusted the formatting of the 'Box drawing characters' table for better legibility. These changes aim to improve the readability and adherence of the documentation to markdown standards.

In the 'exercises/mazy-mice/canonical-data.json' file, the results format for each test case has been updated. Instead of providing an expected result as a string, a boolean or an object structure is used. The change is performed to improve the test result validation process. Boolean values help to clearly identify the pass/fail status, while the object returns the expected maze dimensions, allowing for more detailed automated test result evaluations.