[DO-1431] deploy ArgoCD (!6)

DO-1431

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/6

.gitea/pull_request_template.md

@@ -0,0 +1,13 @@
+---
+
+name: "Feature PR"
+about: "Template feature PR"
+title: "[DO-XXXX] New feature"
+ref: "main"
+assignees: ["svc-gitea-k8s-w"]
+labels:
+- "kind/Feature"
+
+---
+
+[DO-XXXX]