Configure dashboard to use public GCE IP by default

Dashboard now defaults to http://34.42.32.205:8080 instead of localhost.
No SSH tunnel required. Can still override with --api flag for local dev.

Author: treeherder

floml/scripts/zone_dashboard.py

@@ -557,8 +557,8 @@ def _redraw():
 
 def _parse_args() -> str:
     p = argparse.ArgumentParser(description="Riverviews flood monitoring dashboard")
-    p.add_argument("--api", default="http://localhost:8080",
-                   help="flomon_service base URL (default: http://localhost:8080)")
+    p.add_argument("--api", default="http://34.42.32.205:8080",
+                   help="flomon_service base URL (default: http://34.42.32.205:8080)")
     return p.parse_args().api