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Resolve "Implement Quarkus/Kotlin protype"

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%% Cell type:markdown id: tags:
# Theodolite Analysis - Demand Metric
This notebook allows applies Theodolite's *demand* metric to describe scalability of a SUT based on Theodolite measurement data.
Theodolite's *demand* metric is a function, mapping load intensities to the minimum required resources (e.g., instances) that are required to process this load. With this notebook, the *demand* metric function is approximated by a map of tested load intensities to their minimum required resources.
The final output when running this notebook will be a CSV file, providig this mapping. It can be used to create nice plots of a system's scalability using the `demand-metric-plot.ipynb` notebook.
%% Cell type:markdown id: tags:
In the following cell, we need to specifiy:
* `exp_id`: The experiment id that is to be analyzed.
* `warmup_sec`: The number of seconds which are to be ignored in the beginning of each experiment.
* `max_lag_trend_slope`: The maximum tolerable increase in queued messages per second.
* `measurement_dir`: The directory where the measurement data files are to be found.
* `results_dir`: The directory where the computed demand CSV files are to be stored.
%% Cell type:code id: tags:
``` python
exp_id = 200
warmup_sec = 60
max_lag_trend_slope = 2000
measurement_dir = '<path-to>/measurements'
results_dir = '<path-to>/results'
```
%% Cell type:markdown id: tags:
With the following call, we compute our demand mapping.
%% Cell type:code id: tags:
``` python
from src.demand import demand
demand = demand(exp_id, measurement_dir, max_lag_trend_slope, warmup_sec)
```
%% Cell type:markdown id: tags:
We might already want to plot a simple visualization here:
%% Cell type:code id: tags:
``` python
demand.plot(kind='line',x='load',y='resources')
```
%% Cell type:markdown id: tags:
Finally we store the results in a CSV file.
%% Cell type:code id: tags:
``` python
import os
demand.to_csv(os.path.join(results_dir, f'exp{exp_id}_demand.csv'), index=False)
```
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