Add support for injecting custom code-snippets in webapps

server/system/types/app_settings.go

@@ -238,6 +238,8 @@ type (
 		// Integration gateway settings
 		Apigw ApigwSettings `kv:"apigw" json:"apigw"`
 
+		CodeSnippets []struct{ CodeSnippet } `kv:"code-snippets" json:"codeSnippets"`
+
 		// UserInterface settings
 		UI struct {
 			MainLogo string `kv:"main-logo" json:"mainLogo"`
@@ -415,6 +417,11 @@ type (
 		Values string `json:"values"`
 	}
 
+	CodeSnippet struct {
+		Name   string `json:"name"`
+		Script string `json:"script"`
+	}
+
 	SmtpServers struct {
 		Host          string `json:"host"`
 		Port          int    `json:"port,string"`