move hard-coded arguments to default config, allowing them to be overwritten

they don't seem to really do much, and can cause problems when using umpv as the command

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "equivalent"
@@ -10,7 +10,7 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "ff2mpv-rust"
-version = "1.1.4"
+version = "1.1.5"
 dependencies = [
  "serde",
  "serde_json",

src/command.rs

@@ -87,9 +87,7 @@ impl Command {
 
         command.stdout(process::Stdio::null());
         command.stderr(process::Stdio::null());
-        command.arg("--no-terminal");
         command.args(args);
-        command.arg("--");
         command.arg(url);
 
         Command::detach_mpv(&mut command);

src/config.rs

@@ -17,7 +17,7 @@ impl Default for Config {
     fn default() -> Self {
         Self {
             player_command: "mpv".to_owned(),
-            player_args: vec![],
+            player_args: vec![String::from("--no-terminal"), String::from("--")],
         }
     }
 }