Add theme example.

examples/pixels.lisp

@@ -1,10 +1,21 @@
 ; pixels
 
-((clear)
+(
+  (clear)
+
+  ; Filter
+
+  (def filter-action 
+    (lambda () (pixels 
+      (rect 0 0 500 500)
+      saturation
+      0.5)
+    ))
 
   ; Draw photo 
   
-  (draw "../../PREVIEW.jpg"
-  (frame)
-  (lambda () (echo (select (rect 660 344 10 10))))
-))
+  (draw 
+    "../../PREVIEW.jpg" 
+    (frame) 
+    filter-action)
+)

examples/svg.lisp

@@ -0,0 +1,5 @@
+((fill 
+  (svg "M255,60 L255,60 L135,180 L75,60 L195,210 L120,225 L105,225 L165,255 L225,195 L255,135 L285,150") "white")
+
+(stroke 
+  (svg "M405,15 L405,15 L150,150 L195,90 L240,135 L120,195 L75,90 L135,165 L120,225 L90,240 L60,210 L90,150 L255,180 L285,180 L285,165 ") "pink"))