Update README.md

Author: MinhasKamal

README.md

@@ -5,6 +5,7 @@ The project contains algorithms that were implemented in my Data Structure & Alg
 
 ### Categorical List of Algorithms
 
+<font face="monospace">
 ├─arithmeticExpressions <br/>
 │   ├─InfixEvaluation <br/>
 │   ├─InfixToPostfix <br/>
@@ -69,7 +70,7 @@ The project contains algorithms that were implemented in my Data Structure & Alg
     └─shortestJob <br/>
         ├─nonpremitive <br/>
         └─premitive <br/>
-
+</font>
 
 # License
 <a rel="license" href="http://www.gnu.org/licenses/gpl.html"><img alt="GNU General Public License" style="border-width:0" src="http://www.gnu.org/graphics/gplv3-88x31.png" /></a><br/>All these algorithm-implementations are licensed under a <a rel="license" href="http://www.gnu.org/licenses/gpl.html">GNU General Public License version-3</a>.