hardcode ratoml in init.rs

Author: alibektas

dev-rust-analyzer.toml

@@ -130,8 +130,7 @@ pub fn init() -> Result<()> {
     fs::write("Cargo.toml", updated_cargo_toml)
         .context("Failed to create the file `rustlings/Cargo.toml`")?;
 
-    let ra_toml = include_str!("../dev-rust-analyzer.toml");
-    fs::write("rust-analyzer.toml", ra_toml)
+    fs::write("rust-analyzer.toml", RATOML)
         .context("Failed to create the file `rustlings/rust-analyzer.toml`")?;
 
     fs::write(".gitignore", GITIGNORE)
@@ -173,6 +172,11 @@ const INIT_SOLUTION_FILE: &[u8] = b"fn main() {
 }
 ";
 
+const RATOML: &[u8] = br#"# rust-analyzer configuration file
+# DO NOT edit what is already defined.
+# You may add new configurations as needed.
+check.extraArgs = ["--profile", "test"]"#;
+
 const GITIGNORE: &[u8] = b"Cargo.lock
 target/
 .vscode/