rtd and README fixes

Author: tony

README.rst

@@ -37,19 +37,19 @@ Save as ``mysession.yaml``. And load:
 
 Sessions in ``~/.tmuxp/`` can use names:
 
-.. code-block::
+.. code-block:: sh
 
     $ tmuxp load mysession
 
 Projects with ``.tmuxp.yaml`` or ``.tmuxp.json`` load via directory:
 
-.. code-block::
+.. code-block:: sh
 
     $ tmuxp load path/to/my/project/
 
 Load multiple at once (in bg, offer to attach last):
 
-.. code-block::
+.. code-block:: sh
 
     $ tmuxp load mysession ./another/project/ 
 

doc/index.rst

@@ -11,7 +11,7 @@ tmux session manager
     :width: 100%
 
 .. include:: ../README.rst
-    :start-line: 9
+    :start-line: 8
     :end-before: Project details
 
 Explore: