blocks: add print-range example

clover_blocks/programs/examples/print-range.xml

@@ -0,0 +1,29 @@
+<xml xmlns="https://developers.google.com/blockly/xml">
+  <block type="controls_whileUntil" id="^{D$=!y=ahJx0.^n?Ycr" x="88" y="137">
+    <field name="MODE">WHILE</field>
+    <value name="BOOL">
+      <block type="logic_boolean" id="a;~UtFPf9O3B)#QBJxL6">
+        <field name="BOOL">TRUE</field>
+      </block>
+    </value>
+    <statement name="DO">
+      <block type="text_print" id="doqF#i]/ulE{Z0l/{9`K">
+        <value name="TEXT">
+          <shadow type="text" id="Y$c,rIaw^bNs2wIw%[^(">
+            <field name="TEXT">abc</field>
+          </shadow>
+          <block type="rangefinder_distance" id="Pi+WekHZvZ0p}JY-^CLQ"></block>
+        </value>
+        <next>
+          <block type="wait" id="=$,8TaKwL75Pb,_tsCVU">
+            <value name="TIME">
+              <shadow type="math_number" id="/r+hzH#G0Ru#ES+}MxUl">
+                <field name="NUM">0.5</field>
+              </shadow>
+            </value>
+          </block>
+        </next>
+      </block>
+    </statement>
+  </block>
+</xml>