fontisto_flutter 3.1.2

Provides over 1000 (update..) additional icons to use in your apps.

[3.1.2] - Update Linear icon

[3.1.1] - Update Linear icon

[3.1.0] - Update Linear icon

• Add Linearicon free to fontisto_flutter collection
• Add more detail document
• Icon animation is coming soon...

[3.0.5] - fix document

• Fix document generate by dartdoc.

[3.0.4] - release

• Expose Fontisto font asset. This was the smallest version of the font file that worked with Flutter.
• Created Istos class, which provides static access to all Fontisto 3.0.4 Icons as IconData, similar to Flutter's built-in Icons class.
• Created README with installation instructions
• Added LICENSE.md file