gsoc26: Add MIT organization's profile and fix summary link

_gsocorgs/2026/mit.md

@@ -0,0 +1,11 @@
+---
+title: "Massachusetts Institute of Technology"
+author: "Juraj Smiesko"
+layout: default
+organization: MIT
+logo: MIT-logo.png
+description: |
+  [Massachusetts Institute of Technology](https://www.mit.edu/) (MIT) is a world-renowned private research university located in Cambridge, Massachusetts. MIT is devoted to the advancement of knowledge and education of students in areas that contribute to or prosper in an environment of science and technology. Discoveries that begin here generate jobs and power the economy to build a better tomorrow for all of us.
+---
+
+{% include gsoc_proposal.ext %}