add Swagger spec for Bing Local Search API.

specification/cognitiveservices/data-plane/LocalSearch/readme.md

@@ -0,0 +1,45 @@
+# Cognitive Services Local Search SDK
+
+> see https://aka.ms/autorest
+
+Configuration for generating Local Search SDK.
+
+The current release is `release_1_0`.
+
+``` yaml
+
+tag: release_1_0
+add-credentials: true
+openapi-type: data-plane
+```
+# Releases
+
+### Release 1.0
+These settings apply only when `--tag=release_1_0` is specified on the command line.
+
+``` yaml $(tag) == 'release_1_0'
+input-file: stable/v1.0/LocalSearch.json
+```
+
+## Swagger to SDK
+
+This section describes what SDK should be generated by the automatic system.
+This is not used by Autorest itself.
+
+
+## CSharp Settings
+These settings apply only when `--csharp` is specified on the command line.
+``` yaml $(csharp)
+csharp:
+  namespace: Microsoft.Azure.CognitiveServices.Search.LocalSearch
+  output-folder: $(csharp-sdks-folder)/CognitiveServices/dataPlane/Search/BingLocalSearch/BingLocalSearch/Generated/LocalSearch
+```
+
+
+## Suppressions
+Suppressing errors due to API design:
+``` yaml
+directive:
+  - suppress: R3016
+    reason: _type is a polymorphic discriminator that can't be changed.
+```