refactor: Rename all remaining conduwuit references to Continuwuity

Also adds an alias for the old binary name to the dockerfile

Supersedes !1485
Closes #1536
Closes #2277

docs/development/code_style.mdx

@@ -184,7 +184,7 @@ debug!(
 Use the `WithLock` trait from `core::utils::with_lock`:
 
 ```rs
-use conduwuit::utils::with_lock::WithLock;
+use continuwuity::utils::with_lock::WithLock;
 
 // Good - explicit closure guard
 shared_data.with_lock(|data| {
@@ -205,7 +205,7 @@ shared_data.with_lock(|data| {
 For async contexts, use the async variant:
 
 ```rs
-use conduwuit::utils::with_lock::WithLockAsync;
+use continuwuity::utils::with_lock::WithLockAsync;
 
 // Good - async closure guard
 async_shared_data.with_lock(|data| {