Move Subxt crate into a subfolder (#424)

* move into subfolder step 1

* Make folders a workspace again

* Move examples into their own workspace crate to make them more visible and easier to run

* clippy fix

* newline

* tweak releasing steps for folder move

* reference exampels more clearly in top level readme

cli/src/main.rs

@@ -161,7 +161,7 @@ fn codegen<I: Input>(
 
     let p = raw_derives
         .iter()
-        .map(|raw| syn::parse_str(&raw))
+        .map(|raw| syn::parse_str(raw))
         .collect::<Result<Vec<_>, _>>()?;
     let mut derives = GeneratedTypeDerives::default();
     derives.append(p.into_iter());