fix subtitle

Author: coltea

backend/docs/docs.go

@@ -7364,7 +7364,7 @@ const docTemplate = `{
                         "placeholder": {
                             "type": "string"
                         },
-                        "sub_title": {
+                        "subtitle": {
                             "type": "string"
                         },
                         "subtitle_color": {

backend/docs/swagger.json

@@ -7357,7 +7357,7 @@
                         "placeholder": {
                             "type": "string"
                         },
-                        "sub_title": {
+                        "subtitle": {
                             "type": "string"
                         },
                         "subtitle_color": {

backend/docs/swagger.yaml

@@ -1893,7 +1893,7 @@ definitions:
             type: array
           placeholder:
             type: string
-          sub_title:
+          subtitle:
             type: string
           subtitle_color:
             type: string

backend/domain/app.go

@@ -157,7 +157,7 @@ type WebAppLandingSettings struct {
 		Title            string   `json:"title"`
 		TitleColor       string   `json:"title_color"`
 		TitleFontSize    int      `json:"title_font_size"`
-		Subtitle         string   `json:"sub_title"`
+		Subtitle         string   `json:"subtitle"`
 		Placeholder      string   `json:"placeholder"`
 		SubtitleColor    string   `json:"subtitle_color"`
 		SubtitleFontSize int      `json:"subtitle_font_size"`