feat: Add proxy connection type #3839

Job	Run time
Rustfmt	26s
Init	6s
Clippy	1m 56s
Examples Matrix	3s
Unit Test	5m 46s
Examples (examples/salvo_example)	4m 26s
Examples (examples/axum_example)	3m 50s
Examples (examples/proxy_wasmtime_example)	4m 18s
Examples (examples/graphql_example)	5m 23s
Examples (examples/basic)	1m 47s
Examples (examples/rocket_okapi_example)	4m 57s
Examples (examples/poem_example)	4m 1s
Examples (examples/jsonrpsee_example)	4m 10s
Examples (examples/proxy_surrealdb_example)	4m 40s
Examples (examples/actix_example)	5m 17s
Examples (examples/tonic_example)	4m 38s
Examples (examples/seaography_example)	4m 5s
Examples (examples/actix3_example)	4m 9s
Examples (examples/rocket_example)	4m 43s
Compile MySQL (actix, native-tls)	1m 28s
Compile MySQL (actix, rustls)	2m 16s
Compile PostgreSQL (tokio, native-tls)	1m 42s
CLI	0s
Compile PostgreSQL (tokio, rustls)	1m 22s
Compile SQLite (async-std, native-tls)	1m 30s
Compile SQLite (async-std, rustls)	1m 36s
Issues Matrix	0s
Issues	0s
Postgres	0s
MariaDB	0s
MySQL	0s
SQLite	0s
	1h 18m 35s

Provide feedback