fix links

Co-authored-by: Thomas von Dein <tom@vondein.org>
Reviewed-on: https://codeberg.org/scip/epuppy/pulls/1

README.md

@@ -1,5 +1,5 @@
-[![status-badge](https://ci.codeberg.org/api/badges/15473/status.svg?branch=woodpecker)](https://ci.codeberg.org/repos/15473)
-[![License](https://img.shields.io/badge/license-GPL-blue.svg)](https://codeberg.org/scip/epuppy/raw/branch/master/LICENSE)
+[![status-badge](https://ci.codeberg.org/api/badges/15473/status.svg?branch=main)](https://ci.codeberg.org/repos/15473)
+[![License](https://img.shields.io/badge/license-GPL-blue.svg)](https://codeberg.org/scip/epuppy/raw/branch/main/LICENSE)
 [![Go Report Card](https://goreportcard.com/badge/codeberg.org/scip/epuppy)](https://goreportcard.com/report/codeberg.org/scip/epuppy)
 
 
@@ -20,16 +20,20 @@ long run.
 
 ## Screenshots
 
-- Viewing an ebook in dark mode
+### Viewing an ebook in dark mode
+
 ![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/darkmode.png)
 
-- Viewing an ebook in light mode
+### Viewing an ebook in light mode
+
 ![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/light.png)
 
-- You can interactively adjust text width
+### You can interactively adjust text width
+
 ![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/margin.png)
 
-- Showing the help
+### Showing the help
+
 ![Screenshot](https://codeberg.org/scip/epuppy/raw/branch/main/.codeberg/assets/help.png)
 
 ## Usage
@@ -104,7 +108,7 @@ You can use [stew](https://github.com/marwanhawari/stew) to install epuppy:
 stew install https://codeberg.org/scip/epuppy
 ```
 
-Or go to the [latest release page](https://codeberg.org/scip/epuppy/releases/latest)
+Or go to the [latest release page](https://codeberg.org/scip/epuppy/releases/)
 and look for your OS and platform. There are two options to install the binary:
 
 Directly     download     the     binary    for     your     platform,