feat: update copilot instructions

Author: ZaweSK

.github/copilot-instructions.md

@@ -16,6 +16,8 @@ updated throughout the development process.
 ### Code Quality Tools
 
 - The project uses ESLint and Prettier for auto-formatting and enforcing coding rules.
+- Write unit tests using `jest` and `@testing-library/react-native`.
+- Write E2E tests using Maestro.
 
 ### Code Style
 
@@ -37,7 +39,8 @@ updated throughout the development process.
 ### Animations
 
 - Use react-native-reanimated and Skia for animations and drawing.
-- Avoid thread jumping in animations to ensure smooth performance.
+- Avoid thread jumping in animations to ensure smooth performance. This means, try to access .value
+  of sharedValue in worklets, not on JS thread.
 
 ### Avoid