chore: remove the specific target from config.toml

Instead, add an example vscode settings file for IDE use.

Signed-off-by: greatbridf <greatbridf@icloud.com>

.cargo/config.toml

@@ -1,5 +1,4 @@
 [build]
-target = "riscv64gc-unknown-none-elf"
 target-dir = 'build'
 rustflags = ["-C", "force-unwind-tables"]
 

.vscode/settings.example.json

@@ -0,0 +1,10 @@
+{
+    "editor.formatOnSave": true,
+    // Uncomment and set the target you'd like to use for analysis.
+    //
+    // Available targets:
+    // - x86_64-unknown-none.json
+    // - riscv64gc-unknown-none-elf
+    // - loongarch64-unknown-none-softfloat
+    // "rust-analyzer.cargo.target": "x86_64-unknown-none.json",
+}