fix: add missing .env template files and default options in packages

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (0fb54b3) 33.70% compared to head (195017d) 33.70%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #192 +/- ## ======================================= Coverage 33.70% 33.70% ======================================= Files 75 75 Lines 2789 2789 Branches 159 159 ======================================= Hits 940 940 Misses 1690 1690 Partials 159 159 ```

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