Added README.md file

README.md

+### Project structure
+
+
+	consistent-hashing folder (same as previous code with added modifications and implementations)
+	gitlab.txt (text file contatining the repo url link)
+	README.md (This File !!!)
+	Report (pdf report for the achieved work)
+
+
+### Code modifications
+
+	src/main/java/org/ds/MultiAlgorithmConsistentHash.java (Solving the multi hash issue that is presented in the lecture slides)
+	src/main/java/org/ds/WeightedConsistentHash.java (Adding weights for solving the asymtric node problem)
+	src/main/java/org/ds/Test.Runner.java (added three more tests to test the new classes)
+
+
+### how To run the code
+
+	same as original code way of compiling and running the test (I didn't use maven)
+	
+
+	compile the code 
+	``` javac -d target/classes src/main/java/org/ds/*.java ```
+	run the tests
+
+	``` java -cp target/classes org.ds.TestRunner ```
+
+
+
+