move virtual display to lib workspace

Signed-off-by: fufesou <shuanglongchen@yeah.net>

libs/virtual_display/dylib/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "dylib_virtual_display"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib", "staticlib", "rlib"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+cc = "1.0"
+
+[dependencies]
+thiserror = "1.0.30"
+lazy_static = "1.4"
+serde = "1.0"
+serde_derive = "1.0"
+hbb_common = { path = "../../hbb_common" }