jitsi-launcher: add health endpoint and readiness

services/jitsi/launcher-configmap.yaml

@@ -116,3 +116,8 @@ data:
     @app.get("/")
     async def root():
         return RedirectResponse("/launch")
+
+
+    @app.get("/health")
+    async def health():
+        return {"status": "ok"}

services/jitsi/launcher-deployment.yaml

@@ -35,7 +35,7 @@ spec:
             - { name: jwt, mountPath: /var/lib/jitsi-jwt, readOnly: true }
           readinessProbe:
             httpGet:
-              path: /launch
+              path: /health
               port: 80
             initialDelaySeconds: 5
             periodSeconds: 10