feat: add kubeconfig management

Squashed commit of the following:

commit 9d9fa92a557769aaba65af639756f3f95da0ef0e
Author: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>
Date:   Mon Oct 6 07:59:01 2025 +0200

    fix: ruff

Signed-off-by: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>

commit 494230abb96310d5794f14e6aef4dc69b9a816a4
Author: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>
Date:   Fri Oct 3 13:52:12 2025 +0200

    chore: remove dotenv loading and logging configuration that was used for debug

Signed-off-by: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>

commit 086283eaf23321dfcbb61ac8ef5375317b85d336
Author: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>
Date:   Fri Oct 3 13:43:05 2025 +0200

    feat: add kubeconfig generation

Signed-off-by: Apoorva Srinivas Appadoo <apoorva-srinivas.appadoo@etu.univ-cotedazur.fr>