Update Cargo with example removal. Formatting.

.gitignore

@@ -1 +1,3 @@
 **target/
+.idea/
+Cargo.lock

Cargo.toml

@@ -3,7 +3,6 @@ resolver = "2"
 members = [
     "overwatch-rs",
     "overwatch-derive",
-    "examples/waku-chat"
 ]
 
 [profile.release-opt]

overwatch-rs/src/services/handle.rs

@@ -127,7 +127,6 @@ where
 {
     /// Spawn the service main loop and handle it lifecycle
     /// Return a handle to abort execution manually
-
     pub fn run(self) -> Result<(ServiceId, LifecycleHandle), crate::DynError> {
         let ServiceRunner {
             service_state,