feat(store): sqlc-запросы, dto TemplateDoc, Repository, интеграционные тесты CRUD

internal/store/queries/accounts.sql

@@ -0,0 +1,13 @@
+-- name: CreateAccount :one
+INSERT INTO provider_accounts (id, project_id, provider, secret_enc, comment)
+VALUES ($1, $2, $3, $4, $5)
+RETURNING *;
+
+-- name: GetAccount :one
+SELECT * FROM provider_accounts WHERE id = $1 AND project_id = $2;
+
+-- name: ListAccounts :many
+SELECT * FROM provider_accounts WHERE project_id = $1 ORDER BY created_at;
+
+-- name: DeleteAccount :exec
+DELETE FROM provider_accounts WHERE id = $1 AND project_id = $2;