Add createScreenshot function

[akash5100]

• closes #64

[codecov-commenter]

Codecov Report

Base: 99.41% // Head: 99.28% // Decreases project coverage by -0.13% :warning:

Coverage data is based on head (413479e) compared to base (c0e70a6). Patch coverage: 93.75% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #77 +/- ## ========================================== - Coverage 99.41% 99.28% -0.14% ========================================== Files 25 25 Lines 683 697 +14 ========================================== + Hits 679 692 +13 - Misses 4 5 +1 ``` | [Impacted Files](https://codecov.io/gh/Helioviewer-Project/python-api/pull/77?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Helioviewer-Project) | Coverage Δ | | |---|---|---| | [hvpy/helpers.py](https://codecov.io/gh/Helioviewer-Project/python-api/pull/77/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Helioviewer-Project#diff-aHZweS9oZWxwZXJzLnB5) | `96.00% <93.75%> (-1.15%)` | :arrow_down: | | [hvpy/api\_groups/movies/re\_queue\_movie.py](https://codecov.io/gh/Helioviewer-Project/python-api/pull/77/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Helioviewer-Project#diff-aHZweS9hcGlfZ3JvdXBzL21vdmllcy9yZV9xdWV1ZV9tb3ZpZS5weQ==) | `83.33% <0.00%> (-2.39%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Helioviewer-Project). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Helioviewer-Project)

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