fix headings

README.md

-== Install/Deploy ==
+## Install/Deploy ##
 
 * checkout and move into c3post  
   `cd c3post`
@@ -13,6 +13,6 @@
 * (devel only) activate the pre-commit hooks  
   `pre-commit install`
 
-== run ==
+## run ##
 
 `uvicorn c3post.main:app --reload`