Merge pull request #93 from thomas-lamiaux/patch-1

Update 1_03_rocq_docs.md with new tuto foe equations

Author: mattam82

data/tutorials/platform/1_03_rocq_docs.md

@@ -27,4 +27,8 @@ function and its associated elimination principle.
 -   Equations and Well-founded Recursion [interactive
     version](https://coq.inria.fr/platform-docs/Tutorial_Equations_wf.html)
     and [source
-    code](https://coq.inria.fr/platform-docs/Tutorial_Equations_wf.v)
+    code](https://coq.inria.fr/platform-docs/Tutorial_Equations_wf.v)
+-   Equations and Indexed inductive types, and tactics [interactive
+    version](https://coq.inria.fr/platform-docs/Tutorial_Equations_indexed.html)
+    and [source
+    code](https://coq.inria.fr/platform-docs/Tutorial_Equations_indexed.v)