Added URL for local stable web api

aiserver.py

@@ -9318,7 +9318,7 @@ def text2img_api(prompt,
         "prompt": "{}, {}".format(prompt, art_guide),
         "params": final_imgen_params,
     }
-    apiaddress = 'http://127.0.0.1:7860/sdapi/v1/txt2img'
+    apiaddress = '{}/sdapi/v1/txt2img'.format(koboldai_vars.img_gen_api_url)
     payload_json = json.dumps(final_submit_dict)
     logger.debug(final_submit_dict)
     submit_req = requests.post(url=f'{apiaddress}', data=payload_json).json()

gensettings.py

@@ -554,6 +554,19 @@ gensettingstf = [
     'children': [{'text': 'Use Local Only', 'value': 0}, {'text':'Prefer Local','value':1}, {'text':'Prefer Horde', 'value':2}, {'text':'Use Horde Only', 'value':3}, {'text':'Use Local SD-WebUI API', 'value':4}]
  	},
     {
+    "UI_V2_Only": True,
+ 	"uitype": "text",
+	"unit": "text",
+	"label": "Img API URL",
+	"id": "img_gen_api_url",
+	"default": "",
+    "tooltip": "The URL to use when selecting Use Local SD-WebUI API setting in Image Priority",
+    "menu_path": "Interface",
+    "sub_path": "Images",
+    "classname": "user",
+    "name": "img_gen_api_url"
+ 	},
+    {
     "UI_V2_Only": True,
  	"uitype": "toggle",
  	"unit": "bool",

koboldai_settings.py

@@ -984,6 +984,7 @@ class user_settings(settings):
         self.beep_on_complete = False
         self.img_gen_priority = 1
         self.show_budget = False
+        self.img_gen_api_url = "http://127.0.0.1:7860/"
         self.cluster_requested_models = [] # The models which we allow to generate during cluster mode