Feature/notify ev charging needs (#93)

* Added base params for notify_ev_charging_needs
* Added feedback with DC limits
* Updated for ev/evse types and added a special context struct that holds all car-provided (EV) data
* Added EV Control Mode
* Updated for comments
* Bump version

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Signed-off-by: AssemblyJohn <ioan.bogdann@gmail.com>

Bump version to 0.5.0 (#95)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

Release v0.4.0 (#60)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

Adding feedback dc_max_limits to dc_charge_parameter_discovery state (#…

…45)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

Adding SO_REUSEADR & SO_REUSEPORT to connection_openssl and removing …

…SSL_free & SSL_CTX_free (#38)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

Adding auto device. Now the first ipv6 interface is selected if the i…

…nterface name is auto (#11)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

ISO15118-20 beta release: (#7)

- Evse offers DC & DC_BPT, added some AC messages (wip)
- Network supports two connections (tcp and tls)
- TLS 1.3 support with mbedtls 3.5 (cross-compiling is supported)
- Interface name and keyfiles password are configurable
- Added exi logging and ssl logging
- Added stop from charger
- Added correct wait time before closing the connection (tls and tcp)
- fix float to RationalNumber negative numbers lower than -200 ish (#2)

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>
Co-authored-by: aw <aw@pionix.de>
Co-authored-by: Cornelius Claussen <cc@pionix.de>
Co-authored-by: Siebren Weertman <siebren.w@gmail.com>