Add web client

Join screen, room with screen and camera sharing, live annotation,
whiteboard, and the admin panel for kiosks, widgets and branding.

apps/web-client/src/lib/meta.ts

@@ -0,0 +1,17 @@
+export const SITE_NAME = "PiStation";
+
+export const SITE_DESCRIPTION =
+  "Turn any TV or monitor into a screen the whole room can use. Type the code on screen to " +
+  "present, annotate live, or open a shared whiteboard. Self hosted on hardware you own.";
+
+export const SITE_KEYWORDS = [
+  "screen sharing",
+  "wireless presentation",
+  "raspberry pi kiosk",
+  "digital signage",
+  "self hosted",
+  "whiteboard",
+  "livekit"
+].join(", ");
+
+export const THEME_COLOR = "#0b0d10";