DOCS: Added basic explaination to example code.

README: Added readme with copy of example code and first push of readme.

README.md

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+
+```c
+/*
+ * Keep in mind any function that creates a new buffer and returns it can
+ * overwrite the old one, however it is lost. SO create a new variable and free
+ * the old one after use.
+ */
+int
+main()
+{
+	// Init base image containers
+	PPM img;
+	JPEG jimg;
+
+	// Add a file location of image to modify
+	img.name = "../assets/test_2.ppm";
+
+	// Load the PPM image
+	unsigned int* buf = ppm_load(img.name, &img);
+
+	// Check for null image load. In case image doesnt exist or fails to
+	// load
+	if (!buf)
+	{
+		LOGERROR(ERR_BUF_NULL);
+		return ERR_BUF_NULL;
+	}
+	// Blur image and save to new pointer
+	unsigned int* blur = box_blur(buf, &img, 20);
+
+	// Free old buffer. MUST DO THIS. Maybe not immediately but before
+	// ending or possibly leaking. Also it stays in heap and a large image
+	// can take a lot of memory so better to clear anyways.
+	free(buf);
+	// Check for null image load. In case image doesnt exist or fails to
+	// load
+	if (!blur)
+	{
+		LOGERROR(ERR_BUF_NULL);
+		return ERR_BUF_NULL;
+	}
+
+	// Loop image and apply filter to each pixel.
+	for (int i = 0; i < img.len; i++)
+	{
+		blur[i] = u32_rotl(blur[i], 4);
+	}
+
+	// Take the attributes from ppm image so jpeg file can be saved
+	jimg = inherit_from_ppm(&img);
+
+	// Saves jpeg to location specified
+	jpeg_save(blur, &jimg, "../assets/test_2_new.jpg");
+
+	// Make sure to free any buffer still active
+	free(blur);
+
+	return 0;
+}
+
+
+
+```