docs: misc empty filters (#315)

Signed-off-by: Matt Klein <mklein@lyft.com>

docs/root/api-v1/http_filters/dynamodb_filter.rst

@@ -0,0 +1,19 @@
+.. _config_http_filters_dynamo_v1:
+
+DynamoDB
+========
+
+DynamoDB :ref:`configuration overview <config_http_filters_dynamo>`.
+
+.. code-block:: json
+
+  {
+    "name": "http_dynamo_filter",
+    "config": {}
+  }
+
+name
+  *(required, string)* Filter name. The only supported value is `http_dynamo_filter`.
+
+config
+  *(required, object)* The filter does not use any configuration.

docs/root/api-v1/http_filters/grpc_http1_bridge_filter.rst

@@ -0,0 +1,13 @@
+.. _config_http_filters_grpc_bridge_v1:
+
+gRPC HTTP/1.1 bridge
+====================
+
+gRPC HTTP/1.1 bridge :ref:`configuration overview <config_http_filters_grpc_bridge>`.
+
+.. code-block:: json
+
+  {
+    "name": "grpc_http1_bridge",
+    "config": {}
+  }

docs/root/api-v1/http_filters/grpc_web_filter.rst

@@ -0,0 +1,13 @@
+.. _config_http_filters_grpc_web_v1:
+
+gRPC-Web filter
+===============
+
+gRPC-Web filter :ref:`configuration overview <config_http_filters_grpc_web>`.
+
+.. code-block:: json
+
+  {
+    "name": "grpc_web",
+    "config": {}
+  }

docs/root/api-v1/network_filters/echo_filter.rst

@@ -0,0 +1,13 @@
+.. _config_network_filters_echo_v1:
+
+Echo
+====
+
+Echo :ref:`configuration overview <config_network_filters_echo>`.
+
+.. code-block:: json
+
+  {
+    "name": "echo",
+    "config": {}
+  }

docs/root/configuration/http_filters/dynamodb_filter.rst

@@ -3,20 +3,9 @@
 DynamoDB
 ========
 
-DynamoDB :ref:`architecture overview <arch_overview_dynamo>`.
-
-.. code-block:: json
-
-  {
-    "name": "http_dynamo_filter",
-    "config": {}
-  }
-
-name
-  *(required, string)* Filter name. The only supported value is `http_dynamo_filter`.
-
-config
-  *(required, object)* The filter does not use any configuration.
+* DynamoDB :ref:`architecture overview <arch_overview_dynamo>`
+* :ref:`v1 API reference <config_http_filters_dynamo_v1>`
+* :ref:`v2 API reference <envoy_api_field_filter.network.HttpFilter.name>`
 
 Statistics
 ----------

docs/root/configuration/http_filters/grpc_http1_bridge_filter.rst

@@ -3,7 +3,9 @@
 gRPC HTTP/1.1 bridge
 ====================
 
-gRPC :ref:`architecture overview <arch_overview_grpc>`.
+* gRPC :ref:`architecture overview <arch_overview_grpc>`
+* :ref:`v1 API reference <config_http_filters_grpc_bridge_v1>`
+* :ref:`v2 API reference <envoy_api_field_filter.network.HttpFilter.name>`
 
 This is a simple filter which enables the bridging of an HTTP/1.1 client which does not support
 response trailers to a compliant gRPC server. It works by doing the following:
@@ -34,13 +36,6 @@ More info: http://www.grpc.io/docs/guides/wire.html
 This filter also collects stats for all gRPC requests that transit, even if those requests are
 normal gRPC requests over HTTP/2.
 
-.. code-block:: json
-
-  {
-    "name": "grpc_http1_bridge",
-    "config": {}
-  }
-
 Statistics
 ----------
 

docs/root/configuration/http_filters/grpc_json_transcoder_filter.rst

@@ -3,11 +3,10 @@
 gRPC-JSON transcoder filter
 ===========================
 
-gRPC :ref:`architecture overview <arch_overview_grpc>`.
+* gRPC :ref:`architecture overview <arch_overview_grpc>`
+* :ref:`v1 API reference <config_http_filters_grpc_json_transcoder_v1>`
+* :ref:`v2 API reference <envoy_api_msg_filter.http.GrpcJsonTranscoder>`
 
 This is a filter which allows a RESTful JSON API client to send requests to Envoy over HTTP
 and get proxied to a gRPC service. The HTTP mapping for the gRPC service has to be defined by
 `custom options <https://cloud.google.com/service-management/reference/rpc/google.api#http>`_.
-
-* :ref:`v1 API reference <config_http_filters_grpc_json_transcoder_v1>`
-* :ref:`v2 API reference <envoy_api_msg_filter.http.GrpcJsonTranscoder>`

docs/root/configuration/http_filters/grpc_web_filter.rst

@@ -3,14 +3,9 @@
 gRPC-Web filter
 ====================
 
-gRPC :ref:`architecture overview <arch_overview_grpc>`.
+* gRPC :ref:`architecture overview <arch_overview_grpc>`
+* :ref:`v1 API reference <config_http_filters_grpc_web_v1>`
+* :ref:`v2 API reference <envoy_api_field_filter.network.HttpFilter.name>`
 
 This is a filter which enables the bridging of a gRPC-Web client to a compliant gRPC server by
 following https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-WEB.md.
-
-.. code-block:: json
-
-  {
-    "name": "grpc_web",
-    "config": {}
-  }

docs/root/configuration/network_filters/echo_filter.rst

@@ -6,9 +6,5 @@ Echo
 The echo is a trivial network filter mainly meant to demonstrate the network filter API. If
 installed it will echo (write) all received data back to the connected downstream client.
 
-.. code-block:: json
-
-  {
-    "name": "echo",
-    "config": {}
-  }
+* :ref:`v1 API reference <config_network_filters_echo_v1>`
+* :ref:`v2 API reference <envoy_api_field_Filter.name>`