112 add Pre-conditions and Objectives to README.MD

Author: Meitoseshifu

3-0-java-core/3-6-3-crazy-regex/README.MD

@@ -1,8 +1,12 @@
 # <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/logo_transparent_background.png" height=50/>Crazy Regex
 
-### Objectives
+### Pre-conditions ❗
 You're supposed to know how to work regex and be able to build Patterns and Matchers
 
+### Objectives
+* **build Patterns to extract** necessary parts from text ✅
+* **manipulate** extracted text with **Matcher** object ✅
+
 ### Regular expressions - sequence of characters that define a search pattern for text
 
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