experiment api, fixing userId, deviceId, flexible rollout strategy

Signed-off-by: chandresh pancholi <chandresh.pancholi@navi.com>

litmus-mock/src/main/java/com/navi/medici/container/CustomLitmusContextProvider.java

@@ -0,0 +1,21 @@
+package com.navi.medici.container;
+
+import com.navi.medici.context.LitmusContext;
+import com.navi.medici.provider.LitmusContextProvider;
+import java.util.Random;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.annotation.RequestScope;
+
+@Component
+@RequestScope
+@Log4j2
+public class CustomLitmusContextProvider implements LitmusContextProvider {
+
+    @Override
+    public LitmusContext getContext() {
+        return LitmusContext.builder()
+            .userId("test1")
+            .build();
+    }
+}

litmus-mock/src/main/java/com/navi/medici/container/MockContainer.java

@@ -12,9 +12,10 @@ public class MockContainer {
     @Bean
     public Litmus litmus() {
        var litmusConfig =  LitmusConfig.builder()
-            .litmusAPI("http://localhost:8080/v1")
+            .litmusAPI("http://localhost:12000/v1")
             .appName("litmus-mock")
             .instanceId("test-instance")
+           .litmusContextProvider(new CustomLitmusContextProvider())
             .build();
 
         Litmus unleash = new DefaultLitmus(litmusConfig);