docs: update README.md, add Gentoo GNU/Linux install method, use bash instead sh

README.md

@@ -6,13 +6,12 @@ Fetch tool for Linux written in Go with image support
 
 ## Usage
 
-```sh
+```bash
 gogofetch
 
 # show custom image
 gogofetch -l path
 
-# If the custom image is a GIF, it will animate and gogofetch will keep running until you stop it (Ctrl+C).
 # to show custom image and set custom width:
 gogofetch -l path -w 250
 
@@ -31,11 +30,19 @@ gogofetch -h
 
 ### Arch Linux
 
-```sh
+```bash
 yay -S gogofetch-git
 ```
 
-Also `chafa` is dependency for goGoFetch
+### Gentoo
+
+```bash
+eselect repository add nekohepott git https://codeberg.org/nekohepott/neko-overlay.git
+emerge --sync nekohepott
+emerge -av gogofetch
+```
+
+Also see: <https://codeberg.org/nekohepott/neko-overlay>.
 
 ### NixOS
 
@@ -54,7 +61,7 @@ home.packages = [
 ];
 ```
 
-```sh
+```bash
 # run rebuild and then you can run fetch
 gogofetch
 ```
@@ -63,15 +70,15 @@ gogofetch
 
 ### Linux
 
-```sh
+```bash
 git clone https://codeberg.org/nekohepott/goGoFetch && cd goGoFetch
-go build -o gogofetch ./src
+make build
 ./gogofetch
 ```
 
 ### Nix Flake
 
-```sh
+```bash
 git clone https://codeberg.org/nekohepott/goGoFetch && cd goGoFetch
 nix build
 nix run --refresh git+https://codeberg.org/nekohepott/goGoFetch
@@ -85,6 +92,7 @@ nix run --refresh git+https://codeberg.org/nekohepott/goGoFetch
 
 ## Special thanks❤️
 
-- [koru](https://codeberg.org/koru) for contributing and literally saving this repo when i broke it
-- [melvi](https://codeberg.org/melvi) for nix flake
-- [Jakepys](https://codeberg.org/Jakepys) for contributing
+- [koru](https://codeberg.org/koru) for contributing and literally
+  saving this repo when i broke it.
+- [melvi](https://codeberg.org/melvi) for Nix flake.
+- [Jakepys](https://codeberg.org/Jakepys) for contributing.