Refactor README.md

Rename and refactor Main.java to RonaldoBot.java

Update .gitignore

Refactor README.md

Add find feature

Move different classes into packages

Refactor Storage.java
Add GoalList.java
Refactor Ronaldo.java
Add Parser.java
Add command, exceptions, goals packages

Add JavaDoc comments

Add save feature

Add delete feature

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/main/java/Main.java
#	src/main/java/cristiano/Ronaldo.java

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/main/java/Main.java
#	src/main/java/cristiano/Ronaldo.java