added many more examples

examples/buttonlambda.nim

@@ -0,0 +1,14 @@
+include karax / prelude
+from future import `=>`
+
+var lines: seq[kstring] = @[]
+
+proc createDom(): VNode =
+  result = buildHtml(tdiv):
+    button(onclick = () => lines.add "Hello simulated universe"):
+      text "Say hello!"
+    for x in lines:
+      tdiv:
+        text x
+
+setRenderer createDom