fix: remove [lib] section in 2.0-alpha tempaltes (#374)

* fix: remove `[lib]` section in 2.0-alpha tempaltes

* Update .changes/alpha-template.md

.changes/alpha-template.md

@@ -0,0 +1,6 @@
+---
+"create-tauri-app": "patch"
+"create-tauri-app-js": "patch"
+---
+
+Fix `--alpha` templates that are generated without mobile support.

packages/cli/fragments/_base_/src-tauri/%(alpha)%Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "{{package_name}}"
+version = "0.0.0"
+description = "A Tauri App"
+authors = ["you"]
+license = ""
+repository = ""
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+tauri-build = { version = "2.0.0-alpha.1", features = [] }
+
+[dependencies]
+tauri = { version = "2.0.0-alpha.3", features = ["shell-open"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+[features]
+# this feature is used for production builds or when `devPath` points to the filesystem
+# DO NOT REMOVE!!
+custom-protocol = ["tauri/custom-protocol"]