Add option to toggle `prompt=none`

src/main/java/org/keycloak/social/discord/DiscordIdentityProvider.java

@@ -61,6 +61,9 @@ public class DiscordIdentityProvider extends AbstractOAuth2IdentityProvider<Disc
         config.setAuthorizationUrl(AUTH_URL);
         config.setTokenUrl(TOKEN_URL);
         config.setUserInfoUrl(PROFILE_URL);
+        if (config.setPromptNone()) {
+            config.setPrompt("none");
+        }
     }
 
     @Override

src/main/java/org/keycloak/social/discord/DiscordIdentityProviderConfig.java

@@ -43,6 +43,14 @@ public class DiscordIdentityProviderConfig extends OAuth2IdentityProviderConfig
         return getConfig().get("allowedGuilds");
     }
 
+    public boolean setPromptNone() {
+        if(getConfig().containsKey("promptNone")) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     public void setAllowedGuilds(String allowedGuilds) {
         getConfig().put("allowedGuilds", allowedGuilds);
     }

src/main/java/org/keycloak/social/discord/DiscordIdentityProviderFactory.java

@@ -59,13 +59,18 @@ public class DiscordIdentityProviderFactory extends AbstractIdentityProviderFact
                 .label("Guild Id(s) to allow federation")
                 .helpText("If you want to allow federation for specific guild, enter the guild id. Please use a comma as a separator for multiple guilds.")
                 .add()
-//                .create()
                 .property()
                 .name("mappedRoles")
                 .type(ProviderConfigProperty.STRING_TYPE)
                 .label("Discord Roles mapping")
                 .helpText("Map Discord roles to Keycloak groups. The expected format is '<guild_id>:<role_id>:<group_name>'. Use a comma as a separator for multiple mappings.")
                 .add()
+                .property()
+                .name("promptNone")
+                .type("boolean")
+                .label("Skip Discord prompt")
+                .helpText("Should Discord skip the prompt for users that have already granted access to our application?")
+                .add()
                 .build();
     }