Fix: Use Temporary Directory for GIF Rendering (Fixes #216)

[faressoft]

This pull request addresses multiple issues and introduces improvements to the rendering process for GIF generation. The following issues have been fixed: #23, #29, #112, #175, #211, #216, #227 and #7.

The main issue encountered was a permission error preventing the rendering of GIF files. Users were unable to create the required directories due to insufficient permissions. To resolve this issue, this PR introduces the usage of a temporary directory for storing the rendered frames during the GIF generation process.

Changes Made:

• Modified the rendering process to utilize a temporary directory for storing frames instead of the previously specified directory.
• Updated the code to handle the temporary directory creation and cleanup automatically.

Benefits:

• By using a temporary directory, we eliminate the need for elevated permissions or manual directory ownership changes.
• Users can now render GIFs without encountering permission-related errors.

Testing:

• Ran comprehensive tests to ensure proper creation and cleanup of the temporary directory.
• Tested the rendering process with different scenarios and verified that GIFs are generated successfully.