Fixes sallar#144

Modify the data fetching and processing to include the last week of the previous year in the first week of the current year.

* **src/utils/api/fetch.js**
  - Add `fetchLastWeekOfPreviousYear` function to fetch the last week of the previous year.
  - Modify `fetchDataForAllYears` to merge the last week of the previous year with the first week of the current year.

* **yarn.lock**
  - Update dependencies and resolve URLs for various packages.

* **.devcontainer.json**
  - Add a new file with build and launch tasks.

* **package-lock.json**
  - Add a new file with package dependencies and versions.

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