Add new template file for bugs

# Reporters

- name-of-proposer-1 (institution-of-proposer-1)

- name-of-proposer-2 (institution-of-proposer-2)

...

# Description

Describe the bug.

If needed, Attach logs and reports to your bug.

If needed, feel free to point external content as references (journal paper, Youtube video, etc.).

## Deployment environment

- Operating System (include version):

- MicroK8s (include version and add-ons):

- TeraFlowSDN (include release/branch-name/commit-id):

## TFS deployment settings

- list of components deployed

- particular configurations you applied

- any other particularity you might find important

## Sequence of actions that resulted in the bug

- be explicit and enumerate each step.

- if possible, include example calls, request files, descriptor files, etc.

## Document the explicit error

- include the traceback of the error

- include the log files of the components / scheenshoots of WebUI (attached files)

- if known, include the list of TFS components affected by the bug

## Expected behaviour

- describe the expected behavior (if you know it)

# References

1. [Reference name](https://reference-url)

2. Author1, Author2, Author3, et. al., “My demo using feature,” in Conference-Name Demo Track, 20XX.