start working on async queries

Cargo.toml

@@ -22,3 +22,5 @@ typetag = "0.2"
 log = "0.4"
 serde = { version = "1", features = ["derive"] }
 thiserror = "1.0"
+bb8-postgres = "0.8"
+tokio = { version = "1.20", features = ["full"] }

src/asynk/async_queue.rs

@@ -0,0 +1,11 @@
+use bb8_postgres::tokio_postgres::Client;
+
+pub struct AsyncQueue {
+    pg_client: Client,
+}
+
+impl AsyncQueue {
+    pub fn new(pg_client: Client) -> Self {
+        Self { pg_client }
+    }
+}

src/asynk/mod.rs

@@ -0,0 +1 @@
+pub mod async_queue;

src/asynk/queries/insert_task.sql

@@ -0,0 +1 @@
+INSERT INTO "fang_tasks" ("metadata", "error_message", "state", task_type") VALUES ($1, $2, $3, $4);

src/lib.rs

@@ -25,3 +25,5 @@ pub use typetag;
 
 pub mod sync;
 pub use sync::*;
+
+pub mod asynk;