[DO-1496] add limits and network-policy (!4)

схлопнул networkpolicy limits и namespace в один файл и назвал его так же как namespace

Co-authored-by: Rustam Tagaev <rustam.tagaev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/4
Reviewed-by: Denis Patrakeev <denis.patrakeev@avroid.team>
Co-authored-by: Rustam Tagaev <rustam.tagaev@avroid.team>
Co-committed-by: Rustam Tagaev <rustam.tagaev@avroid.team>

clusters/k8s-avroid-office.prod.local/namespaces/jenkins-builds/jenkins-builds.yaml

@@ -0,0 +1,10 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: jenkins-builds
+  labels:
+    name: jenkins-builds
+    app.kubernetes.io/managed-by: manual
+  annotations:
+    scheduler.alpha.kubernetes.io/node-selector: node-role.kubernetes.io/build=