improvement: enable auto_vacuum on connections

src/schema.rs

@@ -14,6 +14,7 @@ use tracing::{debug, error, info};
 /// Startup DB Pragmas
 pub const STARTUP_SQL: &str = r##"
 PRAGMA main.synchronous = NORMAL;
+PRAGMA auto_vacuum = FULL;
 PRAGMA foreign_keys = ON;
 PRAGMA journal_size_limit = 32768;
 pragma mmap_size = 17179869184; -- cap mmap at 16GB