doc: add "nav" for fallback-sink (#1694)

Signed-off-by: Vigith Maurice <[email protected]>
numaproj · Apr 22, 2024 · 59e4b45 · 59e4b45
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diff --git a/docs/user-guide/sinks/overview.md b/docs/user-guide/sinks/overview.md
@@ -22,3 +22,8 @@ supported by the platform's built-in sinks. As an example, once we have processe
 we can use Elasticsearch as a User defined sink to store the processed data and enable search and 
 analysis on the data.
 
+## Fallback Sink (DLQ)
+
+There is an explicit DLQ support for sinks using a concept called [fallback sink](fallback.md). For the rest of vertices,
+if you need DLQ, please use [conditional-forwarding](../reference/conditional-forwarding.md).
+Sink cannot not do conditional-forwarding since it is a terminal state and hence we have explicit fallback option. 
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -65,6 +65,7 @@ nav:
           - user-guide/sinks/log.md
           - user-guide/sinks/blackhole.md
           - User Defined Sinks: "user-guide/sinks/user-defined-sinks.md"
+          - Fallback Sink: "user-guide/sinks/fallback.md"
       - User Defined Functions:
           - Overview: "user-guide/user-defined-functions/user-defined-functions.md"
           - Map: