* creating page
* add types select
* adding switches
* start with converting angular templates to json
* converting more alert channels to new format
* convert remaining channels
* typing the form
* add validation, update models
* fix default value in type select
* fix type
* fix issue with validation rule
* add missing settings
* fix type errors
* test notification
* add comments to structs
* fix selectable value and minor things on each channel
* More typings
* fix strictnull
* rename ModelValue -> PropertyName
* rename show -> showWhen
* add enums and adding comments
* fix comment
* break out channel options to component
* use try catch
* adding default case to OptionElement if element not supported
* Build: use golangci-lint as a make command
* Since gometalinter was deprecated in favor of golangci-lint so it was
replaced by it. Responsibilities held by the gometalinter was moved to
golangci-lint
* There was some changes in implementation (that was also mentioned in
the code comment) between the tools, which uncovered couple errors
in the code. Those issues were either solved or disabled by
the inline comments
* Introduce the golangci-lint config, to make their
configuration more manageable
* Build: replace backend-lint.sh script with make
