Added optional domain query param to documentation for all rest endpoints that need it

docs/swagger/parameters/domain.json

@@ -0,0 +1,9 @@
+{
+    "name": "domain",
+    "description": "The domain in which the short code should be searched for.",
+    "in": "query",
+    "required": false,
+    "schema": {
+        "type": "string"
+    }
+}

docs/swagger/paths/v1_short-urls_{shortCode}.json

@@ -20,13 +20,7 @@
                 }
             },
             {
-                "name": "domain",
-                "in": "query",
-                "description": "The domain in which the short code should be searched for. Will fall back to default domain if not found.",
-                "required": false,
-                "schema": {
-                    "type": "string"
-                }
+                "$ref": "../parameters/domain.json"
             }
         ],
         "security": [
@@ -105,6 +99,9 @@
                 "schema": {
                     "type": "string"
                 }
+            },
+            {
+                "$ref": "../parameters/domain.json"
             }
         ],
         "requestBody": {
@@ -215,6 +212,9 @@
                 "schema": {
                     "type": "string"
                 }
+            },
+            {
+                "$ref": "../parameters/domain.json"
             }
         ],
         "security": [

docs/swagger/paths/v1_short-urls_{shortCode}_tags.json

@@ -18,6 +18,9 @@
                 "schema": {
                     "type": "string"
                 }
+            },
+            {
+                "$ref": "../parameters/domain.json"
             }
         ],
         "requestBody": {

docs/swagger/paths/v1_short-urls_{shortCode}_visits.json

@@ -19,6 +19,9 @@
                     "type": "string"
                 }
             },
+            {
+                "$ref": "../parameters/domain.json"
+            },
             {
                 "name": "startDate",
                 "in": "query",