feat: adding previal doc

README.md

@@ -6,5 +6,62 @@
 
 - A Nerd Font or Powerline Font installed and enabled in your terminal (for example, try the FiraCode Nerd Font).
 
-<!-- ## 💤 Installation -->
+## 💤 Installation
+
+To install it is very simple, just put the binary in the path. And then after that you need to follow these steps depending on the shell you are using.
+
+<details>
+<summary>Bash</summary>
+    in your .bashrc add
+
+    ```shell
+    PS1='$(astroship)'
+    ```
+</details>
+
+<details>
+<summary>Zsh</summary>
+    in your .zshrc add
+
+    ```shell
+    PROMPT='$(astroship)'
+    ```
+</details>
+
+<details>
+<summary>Nushell</summary>
+    in your config.nu add
+
+    ```shell
+    prompt = $(astroship)
+    ```
+</details>
+
+<details>
+<summary>Fish</summary>
+    in your config.fish add
+
+    ```shell
+    function fish_prompt
+        astroship
+    end
+    ```
+</details>
+
+<details>
+<summary>Powershell</summary>
+    in your $PROFILE add
+
+    ```shell
+    function prompt {
+        & astroship
+    }
+    ```
+</details>
+
+## 💭 Inspired By
+
+- [starship](https://github.com/starship/starship)
+- [spaceship](https://github.com/spaceship-prompt/spaceship-prompt)
+- [robbyrussell-node](https://github.com/denysdovhan/robbyrussell-node)