Add public queries access token.

crawlers/mooncrawl/mooncrawl/settings.py

@@ -210,3 +210,13 @@ if MOONSTREAM_S3_PUBLIC_DATA_BUCKET == "":
 MOONSTREAM_S3_PUBLIC_DATA_BUCKET_PREFIX = os.environ.get(
     "MOONSTREAM_S3_PUBLIC_DATA_BUCKET_PREFIX", "dev"
 )
+
+
+MOONSTREAM_PUBLIC_QUERIES_DATA_ACCESS_TOKEN = os.environ.get(
+    "MOONSTREAM_PUBLIC_QUERIES_DATA_ACCESS_TOKEN", ""
+)
+
+if MOONSTREAM_PUBLIC_QUERIES_DATA_ACCESS_TOKEN == "":
+    raise ValueError(
+        "MOONSTREAM_PUBLIC_QUERIES_DATA_ACCESS_TOKEN environment variable must be set"
+    )