Add GitHub Actions release workflow and update build paths

Automatically build and publish TimeTracker.exe as a GitHub release
when a version tag (v*) is pushed. Update make_executable.py and
spec file to reference the new package entry point.

Author: lukaszplk

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Build and Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: |
+          pip install pyqt5 matplotlib pyinstaller
+
+      - name: Build executable
+        run: |
+          pyinstaller `
+            --onefile `
+            --windowed `
+            --name=TimeTracker `
+            --icon=assets/icon.ico `
+            --add-data="assets;assets" `
+            --hidden-import=PyQt5.QtCore `
+            --hidden-import=PyQt5.QtGui `
+            --hidden-import=PyQt5.QtWidgets `
+            --hidden-import=matplotlib.backends.backend_qt5agg `
+            --hidden-import=matplotlib.figure `
+            time_tracker/__main__.py
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: dist/TimeTracker.exe
+          generate_release_notes: true

make_executable.py

@@ -198,12 +198,12 @@ def build_executable():
             spec_content = f.read()
 
         # Replace relative paths with absolute paths
-        time_tracker_path = os.path.join(current_dir, "time_tracker.py").replace("\\", "/")
         icon_path_value = (icon_file_abs if icon_file_abs else os.path.abspath(os.path.join("assets", "icon.ico"))).replace("\\", "/")
         data_dir_normalized = data_dir.replace("\\", "/")
         assets_dir_normalized = os.path.join(current_dir, "assets").replace("\\", "/")
 
-        spec_content = spec_content.replace("['time_tracker.py']", f"['{time_tracker_path}']")
+        time_tracker_path = os.path.join(current_dir, "time_tracker", "__main__.py").replace("\\", "/")
+        spec_content = spec_content.replace("['time_tracker/__main__.py']", f"['{time_tracker_path}']")
         spec_content = spec_content.replace("('data', 'data')", f"('{data_dir_normalized}', 'data')")
         spec_content = spec_content.replace("'assets/icon.ico'", f"'{icon_path_value}'")
 
@@ -256,7 +256,7 @@ def build_executable():
             "--hidden-import=PyQt5.QtWidgets",
             "--hidden-import=matplotlib.backends.backend_qt5agg",
             "--hidden-import=matplotlib.figure",
-            "time_tracker.py"
+            "time_tracker/__main__.py"
         ]
 
     print("Building executable with PyInstaller...")