🍱 Configure pub-based screenshots

Author: AlexV525

README-ZH.md

@@ -88,10 +88,10 @@ Language: [English](README.md) | 中文
 
 ## 截图 📸
 
-| ![1](https://pic.alexv525.com/2021-07-05-picker_1.jpg)   | ![2](https://pic.alexv525.com/2021-07-05-picker_2.jpg)   | ![3](https://pic.alexv525.com/2021-07-05-picker_3.jpg)   |
+| ![1](screenshots/README_1.webp)                          | ![2](screenshots/README_2.webp)                          | ![3](screenshots/README_3.webp)                          |
 |----------------------------------------------------------|----------------------------------------------------------|----------------------------------------------------------|
-| ![4](https://pic.alexv525.com/2021-07-05-picker_4.jpg)   | ![5](https://pic.alexv525.com/2021-07-05-picker_5.jpg)   | ![6](https://pic.alexv525.com/2021-07-05-picker_6.jpg)   |
-| ![7](https://pic.alexv525.com/2021-07-06-picker_7.jpg)   | ![8](https://pic.alexv525.com/2021-07-05-picker_8.jpg)   | ![9](https://pic.alexv525.com/2021-07-05-picker_9-1.jpg) |
+| ![4](screenshots/README_4.webp)                          | ![5](screenshots/README_5.webp)                          | ![6](screenshots/README_6.webp)                          |
+| ![7](screenshots/README_7.webp)                          | ![8](screenshots/README_8.webp)                          | ![9](screenshots/README_9.webp)                          |
 | ![10](https://pic.alexv525.com/2021-07-05-picker_10.png) | ![10](https://pic.alexv525.com/2021-07-05-picker_11.png) | ![12](https://pic.alexv525.com/2021-07-05-picker_12.png) |
 
 ## 开始前的注意事项 ‼️

README.md

@@ -89,10 +89,10 @@ See the [Migration Guide][] to learn how to migrate between breaking changes.
 
 ## Screenshots 📸
 
-| ![1](https://pic.alexv525.com/2021-07-05-picker_1.jpg)   | ![2](https://pic.alexv525.com/2021-07-05-picker_2.jpg)   | ![3](https://pic.alexv525.com/2021-07-05-picker_3.jpg)   |
+| ![1](screenshots/README_1.webp)                          | ![2](screenshots/README_2.webp)                          | ![3](screenshots/README_3.webp)                          |
 |----------------------------------------------------------|----------------------------------------------------------|----------------------------------------------------------|
-| ![4](https://pic.alexv525.com/2021-07-05-picker_4.jpg)   | ![5](https://pic.alexv525.com/2021-07-05-picker_5.jpg)   | ![6](https://pic.alexv525.com/2021-07-05-picker_6.jpg)   |
-| ![7](https://pic.alexv525.com/2021-07-06-picker_7.jpg)   | ![8](https://pic.alexv525.com/2021-07-05-picker_8.jpg)   | ![9](https://pic.alexv525.com/2021-07-05-picker_9-1.jpg) |
+| ![4](screenshots/README_4.webp)                          | ![5](screenshots/README_5.webp)                          | ![6](screenshots/README_6.webp)                          |
+| ![7](screenshots/README_7.webp)                          | ![8](screenshots/README_8.webp)                          | ![9](screenshots/README_9.webp)                          |
 | ![10](https://pic.alexv525.com/2021-07-05-picker_10.png) | ![10](https://pic.alexv525.com/2021-07-05-picker_11.png) | ![12](https://pic.alexv525.com/2021-07-05-picker_12.png) |
 
 ## READ THIS FIRST ‼️

pubspec.yaml

@@ -23,3 +23,23 @@ dev_dependencies:
     sdk: flutter
   flutter_test:
     sdk: flutter
+
+screenshots:
+  - description: 'Screenshot 1'
+    path: screenshots/README_1.webp
+  - description: 'Screenshot 2'
+    path: screenshots/README_2.webp
+  - description: 'Screenshot 3'
+    path: screenshots/README_3.webp
+  - description: 'Screenshot 4'
+    path: screenshots/README_4.webp
+  - description: 'Screenshot 5'
+    path: screenshots/README_5.webp
+  - description: 'Screenshot 6'
+    path: screenshots/README_6.webp
+  - description: 'Screenshot 7'
+    path: screenshots/README_7.webp
+  - description: 'Screenshot 8'
+    path: screenshots/README_8.webp
+  - description: 'Screenshot 9'
+    path: screenshots/README_9.webp