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

internal/store/queries/templates.sql

@@ -0,0 +1,19 @@
+-- name: CreateTemplate :one
+INSERT INTO templates (id, project_id, name, doc, version)
+VALUES ($1, $2, $3, $4, 1)
+RETURNING *;
+
+-- name: GetTemplate :one
+SELECT * FROM templates WHERE id = $1 AND project_id = $2;
+
+-- name: ListTemplates :many
+SELECT * FROM templates WHERE project_id = $1 ORDER BY created_at;
+
+-- name: UpdateTemplate :one
+UPDATE templates
+SET name = $3, doc = $4, version = version + 1, updated_at = now()
+WHERE id = $1 AND project_id = $2
+RETURNING *;
+
+-- name: DeleteTemplate :exec
+DELETE FROM templates WHERE id = $1 AND project_id = $2;