docs: add usage examples for XRay Engine in README

Author: burdockcascade

README.MD

@@ -0,0 +1,42 @@
+# XRay Engine
+
+## Example Usage
+
+### Example 1: Simple Hello World Application
+```xml
+<application>
+
+    <!-- Window configuration -->
+    <window title="Hello, World!" height="600" width="800"/>
+
+    <!-- Scene definitions -->
+    <scenes>
+        <scene name="main">
+            <label id="greeting" text="Hello, World!" x="50" y="50" font-size="56" color="blue"/>
+        </scene>
+    </scenes>
+
+</application>
+```
+
+### Example 2: Displaying a Texture
+```xml
+<application>
+
+    <!-- Window configuration -->
+    <window title="Hello, World!" height="600" width="800" fps="60"/>
+
+    <!-- Asset definitions -->
+    <assets>
+        <texture id="exampleTexture" path="C:\Workspace\c\xray\examples\sample.png" />
+    </assets>
+
+    <!-- Scene definitions -->
+    <scenes>
+        <scene name="main">
+            <sprite id="exampleSprite" x="400" y="300" texture-id="exampleTexture" />
+        </scene>
+    </scenes>
+
+</application>
+```