Add Policy snippets

[TomerFi]

Policy CRD can be found here.

Resource docs can be found here.

Snippets are saved in our snippets directory.

VSCode Snippet Guide. VSCode Using Snippets.

Related issue: #21

[ilan-pinto]

@TomerFi i think we close this one

[TomerFi]

@ilan-pinto Let's keep it as a reminder to delete these (as we discussed last week):

• https://github.com/open-cluster-management-io/ocm-vscode-extension/blob/main/templates/Git/policy.yaml
• https://github.com/open-cluster-management-io/ocm-vscode-extension/blob/main/templates/HelmRepo/policy.yaml
• https://github.com/open-cluster-management-io/ocm-vscode-extension/blob/main/templates/ObjectBucket/policy.yaml