Only display template IDs

[gauravgahlot]

Description

The PR introduces a new flag --quiet or -q to only display template IDs.

/ # tink template list -h
list all saved templates

Usage:
  tink template list [flags]

Examples:
tink template list

Flags:
  -h, --help    help for list
  -q, --quiet   only display template IDs

Global Flags:
  -f, --facility string   used to build grpc and http urls

/ # tink template list
+--------------------------------------+---------------+-------------------------------+-------------------------------+
| TEMPLATE ID                          | TEMPLATE NAME | CREATED AT                    | UPDATED AT                    |
+--------------------------------------+---------------+-------------------------------+-------------------------------+
| 7d387260-4520-11eb-b30b-0242ac130004 | disk-wipe     | 2020-12-23 13:12:20 +0000 UTC | 2020-12-23 13:12:20 +0000 UTC |
| 84939840-4520-11eb-b30b-0242ac130004 | ubuntu        | 2020-12-23 13:12:33 +0000 UTC | 2020-12-23 13:12:33 +0000 UTC |
| 858c76c1-4520-11eb-b30b-0242ac130004 | debian        | 2020-12-23 13:12:34 +0000 UTC | 2020-12-23 13:12:34 +0000 UTC |
+--------------------------------------+---------------+-------------------------------+-------------------------------+

/ # tink template list -q
7d387260-4520-11eb-b30b-0242ac130004
84939840-4520-11eb-b30b-0242ac130004
858c76c1-4520-11eb-b30b-0242ac130004

Why is this needed

This will definitely help when users need to migrate templates or do some automation that only requires the template IDs.
For example, delete all templates:

/ # tink template delete $(tink template list -q)

How Has This Been Tested?

Tested manually over the vagrant setup.

Checklist:

I have:

• updated the documentation and/or roadmap (if required)
• added unit or e2e tests
• provided instructions on how to upgrade

[codecov]

Codecov Report

Merging #402 (cd54c41) into master (a04ccb4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #402   +/-   ##
=======================================
  Coverage   20.82%   20.82%           
=======================================
  Files          24       24           
  Lines        2170     2170           
=======================================
  Hits          452      452           
  Misses       1678     1678           
  Partials       40       40           

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