chore(github): Add yu-cruco to * in CODEOWNERS (#2338)

chore: Add yu-cruco to * in CODEOWNERS

yu-cruco is now a maintainer and will be notified on all PRs

- [x] moved CODEOWNERS into .github folder where it belongs

Signed-off-by: jmeridth <jmeridth@gmail.com>

.github/CODEOWNERS

@@ -1,14 +1,6 @@
-# All
-*                              @mkilchhofer @jmeridth
+* @mkilchhofer @jmeridth @yu-croco
 
-# Argo Workflows
 /charts/argo-workflows/        @vladlosev @jmeridth @yu-croco @tico24
-
-# Argo CD
 /charts/argo-cd/               @mbevc1 @mkilchhofer @yu-croco @jmeridth @pdrastil @tico24
-
-# Argo Events
 /charts/argo-events/           @pdrastil @jmeridth @tico24
-
-# Argo Rollouts
 /charts/argo-rollouts/         @jmeridth