Migrate remaining files from the old version of the repo

- Migrate `CHANGELOG.md`, `.VERSION`, `LICENSE`, GitHub pipelines, release script, GitHub issue templates.
- Add in Makefile the commands to prepare release and make the release tag.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,36 @@
+---
+name: Bug report
+about: Report bugs and errors found while using the Operator.
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+### Your environment
+
+<!-- Version of the Operator when the error occurred -->
+Operator Version:
+
+<!-- What version of the Connect server are you running?
+You can get this information from the Integrations section in 1Password
+https://start.1password.com/integrations/active
+-->
+Connect Server Version:
+
+<!-- What version of Kubernetes have you deployed the operator to? -->
+Kubernetes Version:
+
+## What happened?
+<!-- Describe the bug or error -->
+
+## What did you expect to happen?
+<!-- Describe what should have happened -->
+
+## Steps to reproduce
+1. <!-- Describe Steps to reproduce the issue -->
+
+
+## Notes & Logs
+<!-- Paste any logs here that may help with debugging.
+Remember to remove any sensitive information before sharing! -->