Tweak: Improved Documentation and README.MD

docs/appdev/custom_apps.md

@@ -1,8 +1,13 @@
-# Creating a Custom App (Step-by-Step)
+<div align="center">
+  <h1>Creating a Custom App</h1>
+  <p><em>A step-by-step tutorial on writing a new graphical C application.</em></p>
+</div>
+
+---
 
 This guide explains how to write a new "Hello World" application locally, compile it as an `.elf` binary into the `bin/` folder, and launch it inside BoredOS.
 
-## Step 1: Write the C Source
+## 📝 Step 1: Write the C Source
 
 Applications reside entirely in the `src/userland/` directory. Create a new file, for example, `src/userland/gui/hello.c`.
 
@@ -44,7 +49,7 @@ int main(void) {
 }
 ```
 
-## Step 2: Edit the Makefile
+## ⚙️ Step 2: Edit the Makefile
 
 Now you need to tell the build system to compile `hello.c`. Fortunately, the `src/userland/Makefile` is designed to detect new C files largely automatically!
 
@@ -56,7 +61,7 @@ Now you need to tell the build system to compile `hello.c`. Fortunately, the `sr
     Since you placed the file in `gui/hello.c`, the wildcard logic will pick it up automatically.
 3.  The Makefile will generate `bin/hello.elf` during the build phase.
 
-## Step 3: Bundle it into the OS
+## 📦 Step 3: Bundle it into the OS
 
 The main overarching `Makefile` (in the project root) takes binaries from `src/userland/bin/*.elf` and places them into the `iso_root/bin/` directory, while also adding them to `limine.conf` as loadable boot modules.
 
@@ -69,11 +74,14 @@ The main overarching `Makefile` (in the project root) takes binaries from `src/u
     make clean && make run
     ```
 
-## Step 4: Run it inside BoredOS
+## 🚀 Step 4: Run it inside BoredOS
 
 1.  When BoredOS boots, launch the **Terminal** application.
 2.  The OS automatically maps built applications to standard shell commands. Simply type your application's filename (without the `.elf` extension).
 3.  Type `hello` in the terminal and press Enter.
-4. Your custom window will appear!
+4.  Your custom window will appear!
 
-*you can also open your app by opening the file explorer and navigating to the bin directory and double clicking the executable.*
+> [!NOTE]
+> You can also open your app by opening the file explorer, navigating to the `bin` directory, and double-clicking the executable.
+
+---