Produce lossless WebP images

[rob93c]

This pull request changes the image conversion flow to rely on Scrimage instead of Scalr + Pngtastic. The image produced is now a lossless WebP.

Open points:

• [ ] Scrimage methods can be chained together, for the time being they are separated to preserve the existing code structure
• [ ] Image conversion now takes longer because of how Scrimage works
• [ ] It doesn't seem possible to send WebP with a caption

Summary by CodeRabbit

• New Features

  • Transitioned image processing from PNG to WebP format, enhancing efficiency and modernising the media handling capabilities.
  • Integrated the Scrimage library for improved image conversion functionality.

• Documentation

  • Updated the README to reflect changes in image conversion libraries, replacing previous libraries with Scrimage.

• Bug Fixes

  • Adjusted image validation logic in tests to accommodate changes in expected output formats and dimensions.

• Chores

  • Added new logging configurations for improved monitoring of image processing operations.

[coderabbitai[bot]]

Walkthrough

Walkthrough

The recent updates to the project enhance image processing capabilities by transitioning from PNG to WebP format, streamlining library usage, and improving logging functionalities. These changes, reflected in both code and documentation, indicate a shift towards the Scrimage library for better performance and efficiency in image handling.

Changes

File	Change Summary
README.md, build.gradle, gradle/libs.versions.toml	Updated image processing libraries by removing imgscalr and Pngtastic, and adding Scrimage.
src/main/java/com/github/stickerifier/.../MediaHelper.java	Transitioned methods to support WebP format, replacing PNG handling and updating image processing logic.
src/main/resources/logback.xml	Modified logging configuration, adding a logger for com.sksamuel.scrimage at warn level.
src/test/java/com/github/stickerifier/.../MediaHelperTest.java	Adjusted test assertions for expected image formats and dimensions to align with new WebP handling.
src/main/java/com/github/stickerifier/.../Stickerify.java, src/main/java/com/github/stickerifier/.../MediaConstraints.java	Enhanced methods and renamed constants to improve clarity and functionality.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant MediaHelper
    participant Scrimage
    User->>MediaHelper: Request Image Processing
    MediaHelper->>Scrimage: Convert to WebP
    Scrimage-->>MediaHelper: Return WebP Image
    MediaHelper-->>User: Deliver WebP Image

Poem

🐰 In fields of code I hop and play,
New libraries brighten up the day.
From PNG to WebP we’ve leaped,
With Scrimage close, our progress steeped.
So let’s rejoice, with carrots and cheer,
For smoother images, we hold dear! 🌟

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[rob93c]

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[rob93c]

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