Update README.md

Add code blocks

docs/README.md

@@ -1,19 +1,27 @@
 Dependencies for LBPM documentation
 
 # install sphinx
+```python 
 pip install Sphinx
-
+```
 # foamatting requires sphinx read-the-docs-theme
+```python
 pip install sphinx-rtd-theme
+```
+
 
 # equation rendering requires latex and dvipng command
+```
 sudo apt-get install dvipng
 sudo apt-get install texlive texstudio
 sudo apt-get install texlive-latex-recommended texlive-pictures texlive-latex-extra
+```
 
 
 # To build the docs
+```
 Step 1) install dependencies listed above
 Step 2) type 'make html' from the docs/ directory
 Step 3) point your browser at ~/local/doc/build/html/index.html
-# 
+```
+#