Update README.md (#105)

minor typo in Readme

Signed-off-by: Sohan <1119120+sohanmaheshwar@users.noreply.github.com>

Author: sohanmaheshwar

templates/http-py/content/README.md

@@ -8,8 +8,8 @@ To build the component, [`componentize-py`](https://pypi.org/project/componentiz
 pip3 install -r requirements.txt
 ```
 
-## Builing and Running
+## Building and Running
 
 ```
 spin up --build
-```
+```