Warn if cli-config is not available at compile time (#2135)

* warn if a package relies on the CLI config, but it is not built with the CLI

* fix default features

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Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/cli-config/Cargo.toml

@@ -22,5 +22,6 @@ tauri-bundler = { version = "=1.4.0", features = ["native-tls-vendored"], option
 tauri-utils = { version = "=1.5.*", optional = true }
 
 [features]
-default = []
+default = ["read-config"]
 cli = ["tauri-bundler", "tauri-utils", "clap", "toml", "cargo_toml"]
+read-config = []