feat: add spicetify config instructions to getting started (#194)

Co-authored-by: Afonso Jorge Ramos <afonsojorgeramos@gmail.com>

Author: Ironic

docs/getting-started.md

@@ -91,6 +91,47 @@ yay -S spicetify-cli
 
 Depending on how you installed Spotify, you may need additional configuration.
 
+<details>
+<summary>Adding Spicetify to PATH</summary>
+
+If you installed Spicetify via a package manager (Homebrew, AUR, etc.) and the `spicetify` command isn't found, you may need to add it to your PATH manually.
+
+First, determine your shell:
+
+```bash
+echo $SHELL
+```
+
+Then add `~/.spicetify` to your PATH based on your shell:
+
+<Tabs>
+<TabItem value="zsh" label="zsh" default>
+
+```bash
+echo 'export PATH=$PATH:~/.spicetify' >> ~/.zshrc
+source ~/.zshrc
+```
+
+</TabItem>
+<TabItem value="bash" label="bash">
+
+```bash
+echo 'export PATH=$PATH:~/.spicetify' >> ~/.bashrc
+source ~/.bashrc
+```
+
+</TabItem>
+<TabItem value="fish" label="fish">
+
+```fish
+fish_add_path ~/.spicetify
+```
+
+</TabItem>
+</Tabs>
+
+</details>
+
 <details>
 <summary>Spotify from AUR</summary>