add key and user repositories.

database/postgres/queries/keys.sql

@@ -0,0 +1,15 @@
+-- name: SelectKey :one
+SELECT * FROM "key" WHERE id=$1 LIMIT 1;
+
+-- name: SelectKeys :many
+SELECT * FROM "key";
+
+-- name: SelectKeysByUser :many
+SELECT * FROM "key" WHERE "user" = $1;
+
+-- name: InsertKey :exec
+INSERT INTO key (id, name, "user", secret)
+VALUES (@id, @name, @user_id, @secret);
+
+-- name: DeleteKey :exec
+DELETE FROM "key" WHERE id = $1;

database/postgres/queries/user.sql

@@ -0,0 +1,11 @@
+-- name: SelectUser :one
+SELECT * FROM "user" WHERE id=$1 LIMIT 1;
+
+-- name: SelectUsers :many
+SELECT * FROM "user";
+
+-- name: InsertUser :exec
+INSERT INTO "user" (id, nick, permissions)
+VALUES (
+    @id, @nick, @permissions
+);