message: Highlight required actions in PR templates
  Also includes a few other markdown fix-ups.
diff: @@ -16,7 +16,7 @@ Add a changelog entry for this PR by answering the following questions:
  4. By default, Azure SDKs of all languages (.NET/Python/Java/JavaScript for both management-plane SDK and data-plane SDK, Go for management-plane SDK only ) MUST be refreshed with/after swagger of new version is published. If you prefer NOT to refresh any specific SDK language upon swagger updates in the current PR, please leave details with justification here.
  ### Contribution checklist (MS Employees Only):
  -- [ ] I commit to follow the [Breaking Change Policy](http://aka.ms/AzBreakingChangesPolicy) of "no breaking changes"
  +- [ ] I commit to follow the [Breaking Change Policy](https://aka.ms/AzBreakingChangesPolicy) of "no breaking changes"
  - [ ] I have reviewed the [documentation](https://aka.ms/ameonboard) for the workflow.
  - [ ] [Validation tools](https://aka.ms/swaggertools) were run on swagger spec(s) and errors have all been fixed in this PR. [How to fix?](https://aka.ms/ci-fix)
  @@ -43,11 +43,10 @@ Otherwise your PR may be subject to ARM review requirements. Complete the follow
  - [ ] If you are blocked on ARM review and want to get the PR merged with urgency, please get the ARM oncall for reviews (*RP Manifest Approvers* team under <ins>Azure Resource Manager service</ins>) from IcM and reach out to them.
  ### Breaking Change Review Checklist
  -If you have any breaking changes as defined in the [Breaking Change Policy](http://aka.ms/AzBreakingChangesPolicy/), request approval from the Breaking Change Review Board.
  +If you have any breaking changes as defined in the [Breaking Change Policy](https://aka.ms/AzBreakingChangesPolicy/), request approval from the Breaking Change Review Board.
  **Action**: to initiate an evaluation of the breaking change, create a new intake using the [template for breaking changes](https://aka.ms/Breakingchangetemplate). Additional details on the process and office hours are on the [Breaking Change Wiki](https://dev.azure.com/msazure/AzureWiki/_wiki/wikis/AzureWiki.wiki/37684/Breaking-Changes).
  NOTE: To update API(s) in public preview for over 1 year (refer to [Retirement of Previews](https://dev.azure.com/msazure/AzureWiki/_wiki/wikis/AzureWiki.wiki/37683/Retirement-of-Previews))
  Please follow the link to find more details on [PR review process](https://aka.ms/SwaggerPRReview).
  -
  