start bpfland scheduler automatically

usr/share/scx_loader/config.toml

@@ -0,0 +1,13 @@
+# This field specifies the scheduler that will be started automatically when scx_loader starts (e.g., on boot).
+default_sched = "scx_bpfland"
+
+# This field specifies the mode which will be used when scx_loader starts (e.g., on boot).
+#default_mode = "Auto"
+
+# This "structure" allows configuring flags for each scheduler mode of particular scx scheduler
+#[scheds.'scheduler']
+#auto_mode = []
+#gaming_mode = []
+#lowlatency_mode = []
+#powersave_mode = []
+#server_mode = []