Update news for 3.0.0 release

NEWS.md

@@ -1,15 +1,36 @@
 # ggsci 3.0.0
 
-## New Features
+## New features
 
-- Added three Flat UI colors palettes and one color palette inspired by the
-  logo of frontiers.org (thanks, @clarajegousse, #14).
-- Added COSMIC color palettes. See `scale_color_cosmic()` and
-  `scale_fill_cosmic()` for details (thanks, @jhrcook, #5, #7).
+- Added three Flat UI color palettes in
+  - `scale_color_flatui()`
+  - `scale_fill_flatui()`
 
-## Bug fixes
+  and one color palette inspired by the logo of frontiers.org in
+  - `scale_color_frontiers()`
+  - `scale_fill_frontiers()`
+  (thanks, @clarajegousse, #14).
+- Added three COSMIC color palettes in
+  - `scale_color_cosmic()`
+  - `scale_fill_cosmic()`
 
+  (thanks, @jhrcook, #5, #7).
+
+## Improvements
+
+- Use a proper, three-component version number following Semantic Versioning.
+- Reduce output figure size in vignettes and `README.Rmd` by switching to the
+  ragg PNG device and using pngquant for compression.
+- Added a new vignette on frequently asked questions.
+  - A simple solution to interpolate the color palettes when the data has more
+    categories than the number of colors in a discrete color scale.
+  - A note on using a color scale consistently for multiple ggplot2 plots by
+    setting global options (thanks, @DanChaltiel, #13).
 - Replace `size` with `linewidth` in code examples for ggplot2 >= 3.4.0.
+- Replaced the previous logo with a new hex sticker logo.
+- Replaced previous CI/CD solutions with GitHub Actions workflows.
+- Fixed broken or moved links in function documentation and vignettes.
+- Removed the `LazyData` field from `DESCRIPTION`.
 
 # ggsci 2.9
 
@@ -25,7 +46,7 @@
 
 # ggsci 2.7
 
-## New Features
+## New features
 
 Two new discrete color palettes:
 
@@ -38,7 +59,7 @@ One new collection of continuous palettes with 19 color options:
 
 # ggsci 2.4
 
-## New Features
+## New features
 
 Four new discrete color palettes:
 
@@ -49,7 +70,7 @@ Four new discrete color palettes:
 
 # ggsci 2.0
 
-## New Features
+## New features
 
 Two new discrete color palettes:
 
@@ -62,7 +83,7 @@ The first continuous color palette:
 
 # ggsci 1.0
 
-## New Features
+## New features
 
 Eight discrete color palettes (2016-04-01):