feat: add possibility to hide upload button

src/server/config.go

@@ -25,6 +25,7 @@ type Config struct {
 	ObservationInterval   int      `json:"observation_internal"`
 	Languages             []string `json:"languages"`
 	Language              string   `json:"language"`
+	UploadFileButton      bool     `json:"upload_file_button"`
 }
 
 func NewConfig() *Config {
@@ -69,7 +70,8 @@ func NewConfig() *Config {
 			"SQL",
 			"YAML",
 		},
-		Language: "text",
+		Language:         "text",
+		UploadFileButton: true,
 	}
 }