Crate unification (#88)

* move client/server/config into shared

* move platforms into shared

* move head drops into shared

* move tb_entities to shared

* reduce server to just a call into shared

* get solo play working

* fix server opening window

* fix fmt

* extracted a few more modules from client

* near completely migrated client

* fixed duplicate CharacterInputEnabled definition

* simplify a few things related to builds

* more simplifications

* fix warnings/check

* ci update

* address comments

* try fixing macos steam build

* address comments

* address comments

* CI tweaks with default client feature

---------

Co-authored-by: PROMETHIA-27 <electriccobras@gmail.com>

crates/hedz_reloaded/build.rs

@@ -0,0 +1,17 @@
+use vergen_gitcl::{Emitter, GitclBuilder};
+
+fn main() {
+    let gitcl = GitclBuilder::default()
+        .branch(true)
+        .sha(true)
+        .build()
+        .unwrap();
+    Emitter::default()
+        .add_instructions(&gitcl)
+        .unwrap()
+        .emit()
+        .unwrap();
+
+    #[cfg(target_os = "linux")]
+    println!("cargo:rustc-link-arg=-Wl,-rpath,$ORIGIN");
+}