add instance motto config option

filed/config/filed.toml.example

@@ -46,6 +46,10 @@ file_del_timeout=1800
 # Change it to fit your website's image
 instance_name="blek! File"
 
+# Instance motto.
+# Leave a blank string to disable
+instance_motto="A minute file sharing service"
+
 # URL of the instance.
 # You must set this to a valid URL
 instance_url=""

filed/src/config/types.rs

@@ -53,16 +53,21 @@ pub struct Branding {
     /// Instance name
     #[serde(default)]
     instance_name: String,
+
+    /// Instance motto
+    #[serde(default)]
+    instance_motto: String,
     
     /// Instance URL (not the bind URL). Must be Some(...)
     #[serde(default)]
-    instance_url: Option<String>
+    instance_url: Option<String>,
 }
 
 impl Default for Branding {
     fn default() -> Self {
         Branding {
             instance_name: "blek! File".into(),
+            instance_motto: "A minute file sharing".into(),
             instance_url: None,
         }
     }
@@ -94,7 +99,7 @@ impl Config {
     pub fn validate(self: &Self) -> Result<(), String> {
         self.files.validate()?;
         self.brand.validate()?;
-        
+
         Ok(())
     }