adding json spec

Author: masseyke

output/schema/validation-errors.json

@@ -1,12 +1,5 @@
 {
-  "endpointErrors": {
-    "simulate.ingest": {
-      "request": [
-        "Request: query parameter 'merge_type' does not exist in the json spec"
-      ],
-      "response": []
-    }
-  },
+  "endpointErrors": {},
   "generalErrors": [
     "Dangling type '_global.scripts_painless_execute:PainlessExecutionPosition'",
     "Dangling type '_global.scripts_painless_execute:PainlessScript'",

specification/_json_spec/simulate.ingest.json

@@ -32,6 +32,10 @@
       "pipeline": {
         "type": "string",
         "description": "The pipeline id to preprocess incoming documents with if no pipeline is given for a particular document"
+      },
+      "merge_type": {
+        "type": "string",
+        "description": "The way that mapping_additions ought to be merged into existing mappings"
       }
     },
     "body": {