Create README.md

Code/if-optimisation-models/examples/README.md

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+## Usage 
+Move to the Code dir 
+```bash
+cd ../Code
+```
+Run one of the examples in the example folder
+```bash
+./run.sh <example without the suffix>
+./run.sh new_carbon1 #example run
+```
+## Available examples
+- low-util-aws: a simple right sizing demo with 2 aws instances
+- low-util-azure: a simple right sizing demo with 1 azure instance
+- low-util-target: a simple right sizing demo with 1 azure instance and target cpu util < 100
+- new_carbon1: a simple carbon advisor demo with 2 timeframes, 2 locations and no sampling
+- new_carbon2: a carbon advisor demo with 3 timeframes, 3 locations and sampling = 10
+- new_carbon3: the same as new_carbon2 but with no sampling
+- new_carbon4: the same as new_Carbon2 but with the plotter model later in pipeline to created a graph of sampled combos
+- new_visualizer1: a simple plotter demo, creating a graph of points provided in the Impl file
+- new_vizualizer2: a plotter demo plotting data found in the helper2.csv in the csv folder
+- new_visualizer3: plotting the data produced by the carbon advisor earlier in the pipeline