Fix tests and CI configuration. Update color system, add proper GitHub Actions workflow and update README

.github/workflows/tests.yml

@@ -7,29 +7,32 @@ on:
     branches: [ main ]
 
 jobs:
-  ios-build:
-    name: Build and Test iOS app
-    runs-on: macos-13
+  build:
+    name: Build and Test
+    runs-on: macos-latest
     
     steps:
-      - uses: actions/checkout@v3
-      
-      - name: Set Xcode version
-        run: sudo xcode-select -s /Applications/Xcode.app
-      
-      - name: List available schemes
-        run: xcodebuild -list -project Coinly.xcodeproj
-      
-      - name: List available simulators
-        run: xcrun simctl list devices available
-      
-      - name: Build and test
-        run: |
-          xcodebuild clean build test \
-            -project Coinly.xcodeproj \
-            -scheme "Coinly" \
-            -sdk iphonesimulator \
-            -destination "platform=iOS Simulator,name=iPhone 14,OS=16.4" \
-            ONLY_ACTIVE_ARCH=YES \
-            CODE_SIGNING_REQUIRED=NO \
-            CODE_SIGNING_ALLOWED=NO
+    - uses: actions/checkout@v3
+    
+    - name: Select Xcode
+      run: sudo xcode-select -switch /Applications/Xcode.app
+    
+    - name: Build and Test
+      run: |
+        xcodebuild clean test \
+          -project Coinly.xcodeproj \
+          -scheme Coinly \
+          -destination 'platform=iOS Simulator,name=iPhone 14,OS=latest' \
+          -allowProvisioningUpdates \
+          CODE_SIGN_IDENTITY="" \
+          CODE_SIGNING_REQUIRED=NO \
+          CODE_SIGNING_ALLOWED=NO
+
+    - name: Upload test results
+      if: success() || failure()
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-results
+        path: |
+          build/reports/
+          build/logs/

README.md

@@ -2,14 +2,14 @@
 
 ![Tests](https://github.com/SamoilenkoVadym/Coinly/workflows/iOS%20Tests/badge.svg)
 
-Personal Finance Management App
+Personal Finance Management App built with SwiftUI
 
 ## Features
-- Transaction management
-- Multiple accounts support
-- Currency conversion
-- Category management
-- Financial analytics
+- Transaction management with categories
+- Multiple account types support (wallet, bank account, credit card, deposit)
+- Multi-currency support with real-time exchange rates
+- Detailed financial analytics
+- Unit tests coverage
 
 ## Requirements
 - iOS 15.0+
@@ -24,10 +24,16 @@ Personal Finance Management App
 ## Architecture
 - MVVM
 - SwiftUI
-- Core Data
+- Core Data for persistence
+- Unit Tests
 
 ## Testing
 The project includes:
-- Unit Tests
-- UI Tests
-- GitHub Actions CI/CD
+- Unit Tests for models and business logic
+- GitHub Actions CI/CD pipeline
+- Automated testing on pull requests
+
+## Contributing
+Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
+
+Please make sure to update tests as appropriate.