Enumerate Bullets

We will need to refer to the bullet points in our document explicitly later, so we need to assign them some ID's!

Input

# This is an enumeration of bullet points!
## Usual placeholders:
- foo
- bar
- baz

- (qux)
- (quux)
## pythonic-placeholders:
- spam
- eggs

## cryptographic placeholders:

- alice
- bob
- eve
- trudy

### Search-related:
- needle
- haystack

Output

# This is an enumeration of bullet points!
## Usual placeholders:
01. foo
02. bar
03. baz

04. (qux)
05. (quux)
## pythonic-placeholders:
06. spam
07. eggs

## cryptographic placeholders:

08. alice
09. bob
10. eve
11. trudy

### Search-related:
12. needle
13. haystack