add placeholder pages, cleanup imports and set window titles dynamically

src/ez_lan_manager/pages/NewsPage.py

@@ -1,9 +1,14 @@
-from rio import Text, Column, Rectangle, TextStyle, Component
+from rio import Text, Column, Rectangle, TextStyle, Component, event
 
+from src.ez_lan_manager import ConfigurationService
 from src.ez_lan_manager.components.NewsPost import NewsPost
 from src.ez_lan_manager.pages import BasePage
 
 class NewsPage(Component):
+    @event.on_populate
+    async def on_populate(self) -> None:
+        await self.session.set_title(f"{self.session[ConfigurationService].get_lan_info().name} - Neuigkeiten")
+
     def build(self) -> Component:
         return BasePage(
             content=Column(

src/ez_lan_manager/pages/PlaceholderPage.py

@@ -0,0 +1,24 @@
+from rio import Column, Component, event
+
+from src.ez_lan_manager import ConfigurationService
+from src.ez_lan_manager.components.NewsPost import NewsPost
+from src.ez_lan_manager.pages import BasePage
+
+class PlaceholderPage(Component):
+    placeholder_name: str
+
+    @event.on_populate
+    async def on_populate(self) -> None:
+        await self.session.set_title(f"{self.session[ConfigurationService].get_lan_info().name} - {self.placeholder_name}")
+
+    def build(self) -> Component:
+        return BasePage(
+            content=Column(
+                NewsPost(
+                    title="Platzhalter",
+                    text=f"Dies ist die Platzhalterseite für {self.placeholder_name}.",
+                    date="99.99.9999"
+                ),
+                align_y=0,
+            )
+        )

src/ez_lan_manager/pages/__init__.py

@@ -1,2 +1,3 @@
 from .BasePage import BasePage
 from .NewsPage import NewsPage
+from .PlaceholderPage import PlaceholderPage