Bugfix #48 Calling edit-settings fails if no config file exists

[codecov[bot]]

Codecov Report

Patch coverage: 90.00% and project coverage change: -0.10 :warning:

Comparison is base (0264d08) 60.35% compared to head (337ab22) 60.26%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #52 +/- ## ========================================== - Coverage 60.35% 60.26% -0.10% ========================================== Files 20 20 Lines 1289 1286 -3 Branches 211 211 ========================================== - Hits 778 775 -3 Misses 508 508 Partials 3 3 ``` | [Impacted Files](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer) | Coverage Δ | | |---|---|---| | [inverter/cli/cli\_app.py](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer#diff-aW52ZXJ0ZXIvY2xpL2NsaV9hcHAucHk=) | `58.36% <0.00%> (-0.49%)` | :arrow_down: | | [inverter/\_\_init\_\_.py](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer#diff-aW52ZXJ0ZXIvX19pbml0X18ucHk=) | `100.00% <100.00%> (ø)` | | | [inverter/cli/dev.py](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer#diff-aW52ZXJ0ZXIvY2xpL2Rldi5weQ==) | `56.93% <100.00%> (-0.93%)` | :arrow_down: | | [inverter/constants.py](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer#diff-aW52ZXJ0ZXIvY29uc3RhbnRzLnB5) | `100.00% <100.00%> (ø)` | | | [inverter/data\_types.py](https://app.codecov.io/gh/jedie/inverter-connect/pull/52?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jens+Diemer#diff-aW52ZXJ0ZXIvZGF0YV90eXBlcy5weQ==) | `95.65% <100.00%> (ø)` | |

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