chore(server): scaffold axum com health endpoint e testes

server/src/store.rs

@@ -0,0 +1,13 @@
+use rusqlite::Connection;
+use crate::config::Config;
+use crate::error::AppResult;
+
+pub fn open(cfg: &Config) -> AppResult<Connection> {
+    if let Some(parent) = std::path::Path::new(&cfg.db_path).parent() {
+        std::fs::create_dir_all(parent).ok();
+    }
+    let db = Connection::open(&cfg.db_path)?;
+    db.pragma_update(None, "journal_mode", "WAL")?;
+    db.pragma_update(None, "synchronous", "NORMAL")?;
+    Ok(db)
+}