soulseek-rs: main: Add support for dotenv environment

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>

Cargo.lock

@@ -263,6 +263,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -671,6 +677,7 @@ version = "0.3.0"
 dependencies = [
  "clap",
  "color-eyre",
+ "dotenv",
  "ratatui",
  "soulseek-rs-lib",
 ]