Add Sqlite based PaginatedKVStore impl.

Author: G8XSU

Cargo.lock

@@ -15,3 +15,7 @@ prost = { version = "0.11.6", default-features = false, features = ["std"] }
 ldk-server-protos = { path = "../ldk-server-protos" }
 bytes = "1.4.0"
 hex = { package = "hex-conservative", version = "0.2.1", default-features = false }
+rusqlite = { version = "0.28.0", features = ["bundled"] }
+
+[dev-dependencies]
+rand = "0.8.5"

ldk-server/Cargo.toml

@@ -1 +1,3 @@
 pub(crate) mod paginated_kv_store;
+pub(crate) mod sqlite_store;
+pub(crate) mod utils;