Documented searchTerm query param for GET /short-codes endpoint

docs/swagger.json

@@ -71,6 +71,13 @@
                         "required": false,
                         "type": "integer"
                     },
+                    {
+                        "name": "searchTerm",
+                        "in": "query",
+                        "description": "A query used to filter results by searching for it on the longUrl and shortCode fields",
+                        "required": false,
+                        "type": "string"
+                    },
                     {
                         "$ref": "#/parameters/Authorization"
                     }