Fix scalar external engine endpoints

Author: fitztrev

doc/specs/tags/externalengine/api-external-engine-id-analyse.yaml

@@ -1,5 +1,3 @@
-servers:
-  - url: https://engine.lichess.ovh
 parameters:
   - in: path
     name: id
@@ -13,6 +11,12 @@ post:
   summary: Analyse with external engine
   tags:
     - External engine
+  servers:
+    - url: https://engine.lichess.ovh
+    - url: http://localhost:{port}
+      variables:
+        port:
+          default: "9666"
   security: []
   description: |
     **Endpoint: `https://engine.lichess.ovh/api/external-engine/{id}/analyse`**

doc/specs/tags/externalengine/api-external-engine-work-id.yaml

@@ -1,5 +1,3 @@
-servers:
-  - url: https://engine.lichess.ovh
 parameters:
   - in: path
     name: id
@@ -12,6 +10,12 @@ post:
   summary: Answer analysis request
   tags:
     - External engine
+  servers:
+    - url: https://engine.lichess.ovh
+    - url: http://localhost:{port}
+      variables:
+        port:
+          default: "9666"
   security: []
   description: |
     **Endpoint: `https://engine.lichess.ovh/api/external-engine/work/{id}`**

doc/specs/tags/externalengine/api-external-engine-work.yaml

@@ -1,18 +1,22 @@
-servers:
-  - url: https://engine.lichess.ovh
 post:
   operationId: apiExternalEngineAcquire
   summary: Acquire analysis request
   tags:
     - External engine
+  servers:
+    - url: https://engine.lichess.ovh
+    - url: http://localhost:{port}
+      variables:
+        port:
+          default: "9666"
   security: []
   description: |
     **Endpoint: `https://engine.lichess.ovh/api/external-engine/work`**
     Wait for an analysis requests to any of the external engines that
     have been registered with the given `secret`.
     Uses long polling.
     After acquiring a request, the provider should immediately
-    [start streaming the results](#tag/external-engine/POST/api/external-engine/workid).
+    [start streaming the results](#tag/external-engine/POST/api/external-engine/work/{id}).
   requestBody:
     description: Provider credentials.
     required: true