feat(cable): Channels for AWS Buckets and Instances (#647)

## 📺 PR Description

Added `aws-buckets` and `aws-instances` channels.

## Checklist

- [x] my commits **and PR title** follow the [conventional
commits](https://www.conventionalcommits.org/en/v1.0.0/#summary) format
- [ ] if this is a new feature, I have added tests to consolidate the
feature and prevent regressions
- [ ] if this is a bug fix, I have added a test that reproduces the bug
(if applicable)
- [ ] I have added a reasonable amount of documentation to the code
where appropriate

---------

Co-authored-by: Leonardo Vencovsky <[email protected]>
Co-authored-by: alexandre pasmantier <[email protected]>

Author: 3 people

assets/tv-aws-buckets.png

@@ -0,0 +1,14 @@
+[metadata]
+name = "aws-buckets"
+description = "List and preview AWS S3 Buckets"
+requirements = ["aws"]
+
+[source]
+command = "aws s3 ls --output text"
+output = "{split: :3|trim}"
+
+[preview]
+command = "aws s3 ls s3://{split: :3|trim} --human-readable --summarize"
+
+[ui.preview_panel]
+size = 60

cable/unix/aws-buckets.toml

@@ -0,0 +1,13 @@
+[metadata]
+name = "aws-instances"
+description = "List and preview AWS EC2 Instances"
+requirements = ["aws"]
+
+[source]
+command = "aws ec2 describe-instances --output text --query \"Reservations[*].Instances[*].[InstanceId,Tags[?Key=='Name']|[0].Value]\""
+
+[preview]
+command = "aws ec2 describe-instances --output json --instance-ids {split:\t:0} --query 'Reservations[*].Instances[0]'"
+
+[ui.preview_panel]
+size = 60