fix(content): less light drizzle, more regular rain, added heavy rain

[VissValdyr]

Purpose of change

Another weather tweak.

1. Light drizzle is less common
2. Drizzle is more common
3. Rain is a lot more common
4. Clouds are less common
5. Sunshine is more common
6. Snowstorms are more common
7. New weather: heavy rain: more common than thunderstorms, same heavy precipitation

Describe the solution

Describe alternatives you've considered

Testing

Additional context

Checklist

[autofix-ci]

Autofix has formatted code style violation in this PR.

I edit commits locally (e.g: git, github desktop) and want to keep autofix

1. Run git pull. this will merge the automated commit into your local copy of the PR branch.
2. Continue working.

I do not want the automated commit

1. Format your code locally, then commit it.
2. Run git push --force to force push your branch. This will overwrite the automated commit on remote with your local one.
3. Continue working.

If you don't do this, your following commits will be based on the old commit, and cause MERGE CONFLICT.