publish split markov_chain

Author: HumphreyYang

lectures/_toc.yml

@@ -18,7 +18,8 @@ parts:
   - file: lp_intro
   - file: lln_clt
   - file: monte_carlo
-  - file: markov_chains
+  - file: markov_chains_I
+  - file: markov_chains_II
 - caption: Estimation
   numbered: true
   chapters: