Docs: Added instructions on how to run the examples

examples/README.md

@@ -1,5 +1,17 @@
 # Examples for Lark
 
+#### How to run the examples
+
+After cloning the repo, open the terminal into the root directory of the project, and run the following:
+
+```bash
+[lark]$ python -m examples.<name_of_example}
+
+For example, the following will parse all the Python files in the standard library of your local installation:
+
+$ python -m examples.python_parser
+```
+
 ### Beginners
 
 - [calc.py](calc.py) - A simple example of a REPL calculator