Add branding for new integration `Hanna`

[bestycame]

Add branding for new integration Hanna

Proposed change

I upload the Logo's In preparation of creating a new integration called Hanna (domain=hanna). The Integration will connect to Hanna Cloud from Hanna Instruments in order to integrate the Pool Controller. WIP for the Integration on my fork

Type of change

• [X] Add a new logo or icon for a new core integration
• [ ] Add a missing icon or logo for an existing core integration
• [ ] Add a new logo or icon for a custom integration (custom component)
  • [ ] I've added a link to my custom integration repository in the PR description
  • [ ] I've opened up a PR for my custom integration on the Home Assistant Python wheels repository
• [ ] Replace an existing icon or logo with a higher quality version
• [ ] Replace an existing icon or logo after a branding change
• [ ] Removing an icon or logo

Additional information

• This PR fixes or closes issue: Not applicable.
• Link to code base pull request: PR #147085.
• Link to documentation pull request: PR #39617
• Link to integration documentation on our website: Not applicable
• Link to custom integration repository: Not applicable

Checklist

• [X] The added/replaced image(s) are PNG
• [X] Icon image size is 256x256px (icon.png)
• [ ] hDPI icon image size is 512x512px for ([email protected])
• [X] Logo image size has min 128px, but max 256px, on the shortest side (logo.png)
• [X] hDPI logo image size has min 256px, but max 512px, on the shortest side ([email protected])