Add docs for installing chaos-recommender dependencies

This commit also updates roadmap around chaos-recommender.

ROADMAP.md

@@ -5,7 +5,7 @@ Following are a list of enhancements that we are planning to work on adding supp
 - [ ] [Ability to run multiple chaos scenarios in parallel under load to mimic real world outages](https://github.com/redhat-chaos/krkn/issues/424)
 - [x] [Centralized storage for chaos experiments artifacts](https://github.com/redhat-chaos/krkn/issues/423)
 - [ ] [Support for causing DNS outages](https://github.com/redhat-chaos/krkn/issues/394)
-- [ ] Recommend chaos scenarios based on the service under test profiling results
+- [x] [Chaos recommender](https://github.com/redhat-chaos/krkn/tree/main/utils/chaos-recommender) to suggest scenarios having probability of impacting the service under test using profiling results 
 - [ ] Chaos AI integration to improve and automate test coverage
 - [x] [Support for pod level network traffic shaping](https://github.com/redhat-chaos/krkn/issues/393)
 - [ ] [Ability to visualize the metrics that are being captured by Kraken and stored in Elasticsearch](https://github.com/redhat-chaos/krkn/issues/124)

utils/chaos-recommender/README.md

@@ -15,7 +15,12 @@ This tool profiles an application and gathers telemetry data such as CPU, Memory
 1. To run
 
     ```
-    python3 chaos-recommender.py
+    $ python3 -m venv chaos
+    $ source chaos/bin/activate
+    $ git clone https://github.com/redhat-chaos/krkn.git 
+    $ cd krkn/utils/chaos-recommender
+    $ pip3 install -r requirements.txt
+    $ python3 chaos-recommender.py
     ```
 
 2. Follow the prompts to provide the required information.