Update README.md

Author: Mohammad Heriyanto

README.md

@@ -3,5 +3,19 @@ This page is here to explain the progress and update of developing 2D magnetic i
 
 We succesfully develop:
 1) Least-Square Inversion (Under-determined) without constrains + field data
+
+<a Least-Square Inversion href="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion">
+  <img src="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion/blob/master/images/ls.png" width="100%">
+</a>
+
 2) Compact Inversion without constrains + field data
+
+<a Least-Square Inversion href="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion">
+  <img src="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion/blob/master/images/compact.png" width="100%">
+</a>
+
 3) Particle Swarm Optimization (PSO) without constrains + field data
+
+<a Least-Square Inversion href="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion">
+  <img src="https://github.com/modeling-inversion-lab/2D-Magnetic-Inversion/blob/master/images/pso.png" width="100%">
+</a>