New UI Redesign in pyqt6 (#56)

* Initial commit for new UI

* Initial commit for new UI

* WIP

* Status bar updates and has an icon for online / offline

* Add log_viewer.py

* Use JSON for delete_engine_download API

* Fix class issue with Downloaders

* Move Config class to new ui

* Add engine_browser.py

* Add a close event handler to the main window

* Fix issue with engine manager not deleting engines properly

* Rearrange all the files

* Add icons and resources

* Cache system info in RenderServerProxy

* Toolbar polish

* Fix resource path in status bar

* Add config_dir to misc_helper.py

* Add try block to zeroconf setup

* Add add_job.py

* Add raw args to add_job.py

src/ui/widgets/toolbar.py

@@ -0,0 +1,49 @@
+''' app/ui/widgets/toolbar.py '''
+from PyQt6.QtCore import Qt, QSize
+from PyQt6.QtGui import QAction, QIcon
+from PyQt6.QtWidgets import QToolBar, QWidget, QSizePolicy
+
+
+class ToolBar(QToolBar):
+    """
+    Initialize the toolbar.
+
+    Args:
+        parent: The parent widget.
+        orientation: The toolbar's orientation.
+        style: The toolbar's tool button style.
+        icon_size: The toolbar's icon size.
+    """
+
+    def __init__(self, parent,
+                 orientation: Qt.Orientation = Qt.Orientation.Horizontal,
+                 style: Qt.ToolButtonStyle = Qt.ToolButtonStyle.ToolButtonTextUnderIcon,
+                 icon_size: tuple[int, int] = (32, 32)) -> None:
+        super().__init__(parent)
+        self.actions_call = {}
+        self.setOrientation(orientation)
+
+        self.setToolButtonStyle(style)
+        self.setIconSize(QSize(icon_size[0], icon_size[1]))
+
+    def add_button(self, text: str, icon: str, trigger_action) -> None:
+        """
+        Add a button to the toolbar.
+
+        Args:
+            text: The button's text.
+            icon: The button's icon.
+            trigger_action: The action to be executed when the button is clicked.
+        """
+        self.actions_call[text] = QAction(QIcon(icon), text, self)
+        self.actions_call[text].triggered.connect(trigger_action)
+        self.addAction(self.actions_call[text])
+
+    def add_separator(self) -> None:
+        """
+        Add a separator to the toolbar.
+        """
+        separator = QWidget(self)
+        separator.setSizePolicy(
+            QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        self.addWidget(separator)