Week 2: Presentation proposal (lvainio & oscols) (#2378)

* Added week2 readme

* Update Presentation Proposal

* Update README.md

* Update README.md

* Final update to README.md

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Co-authored-by: oscols <[email protected]>

contributions/presentation/week2/lvainio-oscols/README.md

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+# Assignment Proposal
+
+## Title
+
+Split.io, a Feature Flag tool, that can be used for A/B Testing
+
+## Names and KTH ID
+
+  - Oscar Olsson ([email protected])
+  - Leo Vainio ([email protected])
+
+## Deadline
+
+- Week 2
+
+## Category
+
+- Presentation
+
+## Description
+
+This presentation will start off by introducing Split and how it's relevant to this course, followed by what A/B testing is.
+
+We will show code snippets on how the feature flags are implemented in production code and how it can be used for A/B testing.
+
+
+**Relevance**
+
+Split is a useful tool for creating and managing feature flags for applications. This tool also allows different roll out methods to be implemented such as A/B testing. This technique is useful for the continuous delivery part of DevOps. 
+
+In devops, A/B testing is a method that can be used to compare different versions of the same application based on usage data of specific user groups. Based on the data, the team can go ahead and make more informed decisions on which features to implement. This allows for fast feedback and decisions can be made from data and not just individual opinions.