Update README: fix icon

Author: duangsuse

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-<img src="data:image/svg+xml;base64,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" alt="Material Tree Icon">
+  <img src="https://raw.githubusercontent.com/pigfromChina/TreeToolbox/master/doc/material-tree.png" alt="icon" />
 </p>
 
 <h1 align="center">Tree Toolbox</h1>