feat: custom branding (#112)

* add first concept

* remove setup status

* split config page in multiple components

* add custom branding docs

* add test email button

* fix invalid email from header

* add migration

* mount images to host

* update docs

* remove unused endpoint

* run formatter

README.md

@@ -27,7 +27,7 @@ Pingvin Share is self-hosted file sharing platform and an alternative for WeTran
 1. Download the `docker-compose.yml` file
 2. Run `docker-compose up -d`
 
-The website is now listening available on `http://localhost:3000`, have fun with Pingvin Share 🐧!
+The website is now listening on `http://localhost:3000`, have fun with Pingvin Share 🐧!
 
 ### Stand-alone Installation
 
@@ -57,7 +57,7 @@ npm run build
 pm2 start --name="pingvin-share-frontend" npm -- run start
 ```
 
-The website is now listening available on `http://localhost:3000`, have fun with Pingvin Share 🐧!
+The website is now listening on `http://localhost:3000`, have fun with Pingvin Share 🐧!
 
 ### Integrations
 
@@ -94,6 +94,21 @@ docker compose up -d
    ```
 2. Repeat the steps from the [installation guide](#stand-alone-installation) except the `git clone` step.
 
+### Custom branding
+
+#### Name
+
+You can change the name of the app by visiting the admin configuration page and changing the `App Name`.
+
+#### Logo
+
+You can change the logo of the app by replacing the images in the `/data/images` (or with the standalone installation `/frontend/public/img`) folder with your own logo. The folder contains the following images:
+
+- `logo.png` - The logo in the header and home page
+- `favicon.png` - The favicon
+- `opengraph.png` - The image used for sharing on social media
+- `icons/*` - The icons used for the PWA
+
 ## 🖤 Contribute
 
 You're very welcome to contribute to Pingvin Share! Follow the [contribution guide](/CONTRIBUTING.md) to get started.