docs: update readme

Author: cilki

.github/images/goldboot-256.png

@@ -1,10 +1,3 @@
-# This workflow runs whenever a PR is opened or updated, or a commit is pushed to main. It runs
-# several checks:
-# - fmt: checks that the code is formatted according to rustfmt
-# - clippy: checks that the code does not contain any clippy warnings
-# - doc: checks that the code can be documented without errors
-# - hack: check combinations of feature flags
-# - msrv: check that the msrv specified in the crate is correct
 name: check
 permissions:
   contents: read

.github/images/logo-bg-256.png

@@ -1,11 +1,12 @@
 <p align="center">
-	<img src="https://raw.githubusercontent.com/goldboot/goldboot/master/.github/images/logo-bg-256.png" />
+	<img src="https://raw.githubusercontent.com/goldboot/goldboot/master/.github/images/goldboot-256.png" />
 </p>
 
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