add psi4/inp format

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4536aa6) 82.81% compared to head (d2ecfba) 82.84%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## devel #564 +/- ## ========================================== + Coverage 82.81% 82.84% +0.02% ========================================== Files 73 74 +1 Lines 6580 6591 +11 ========================================== + Hits 5449 5460 +11 Misses 1131 1131 ``` | [Files](https://app.codecov.io/gh/deepmodeling/dpdata/pull/564?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling) | Coverage Δ | | |---|---|---| | [dpdata/plugins/psi4.py](https://app.codecov.io/gh/deepmodeling/dpdata/pull/564?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBkYXRhL3BsdWdpbnMvcHNpNC5weQ==) | `100.00% <100.00%> (ø)` | | | [dpdata/psi4/input.py](https://app.codecov.io/gh/deepmodeling/dpdata/pull/564?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=deepmodeling#diff-ZHBkYXRhL3BzaTQvaW5wdXQucHk=) | `100.00% <100.00%> (ø)` | |

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