Update README, add license

Author: Andre0512

LICENSE

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+MIT License
+
+Copyright (c) 2023 Andre Basche
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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 # hOn
 Home Assistant component supporting hOn cloud.
+
+## Installation
+1. Installing via HACS
+2. Go to HACS->Integrations
+3. Add this repo into your HACS custom repositories
+4. Search for Haier hOn and Download it
+5. Restart your HomeAssistant
+6. Go to Settings->Devices & Services
+7. Shift reload your browser
+8. Click Add Integration
+9. Search for Haier hOn 
+10. Type your username used in the hOn App and hit submit
+
+## Supported Appliances
+- Washing Machine
+
+## Tested Devices
+- Haier WD90
+
+## About this Repo
+The existing integrations missed some features from the app I liked to have in HomeAssistant.
+I tried to create a pull request, but in the structures of these existing repos, I find it hard to fit in my needs, so I basically rewrote everything. 
+I moved the api related stuff into the package [pyhOn](https://github.com/Andre0512/pyhOn).
+