Multi product architecture (#3309)

* skeleton lifecycle

* bare minimum to satisfy mm-server import

* added boards_imports.go

* move boards_imports.go to correct package

* bump mmserver version; remove replace in go.mod; use module workspaces; remove logger service

* rename product.go --> boards.go

* add FileInfoStore and Cloud services for product; create minimal pluginAPI interfaces for all packages

* rename Boards -> BoardsProduct

* compile success

* remove hooks service; guard for nil BoardsApp

* update to latest mmserver ver

* upgrade mmserver to master tip

* upgrade mmserver to master tip

* bump plugin-api to master tip

* fix users service

* fix OnActivate crash; normalize AppError returns

* fileBackend interface for server/app

* feature flag

* bump mmserver version

* fix linter errors

* make go.work when linting

* fix go.work creation for CI

* add execute flag for script

* fix more linter errors

* always create a go.work

* fix ci go.work

* OS agnostic go.work generator

* fix path

* fix path again

* partially disable cypress test

* fix case Id --> ID

* bump mmserver version

* include  in go.work for dev

* addressed review comments.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

server/api/api.go

@@ -53,7 +53,7 @@ type API struct {
 	permissions     permissions.PermissionsService
 	singleUserToken string
 	MattermostAuth  bool
-	logger          *mlog.Logger
+	logger          mlog.LoggerIFace
 	audit           *audit.Audit
 	isPlugin        bool
 }
@@ -63,7 +63,7 @@ func NewAPI(
 	singleUserToken string,
 	authService string,
 	permissions permissions.PermissionsService,
-	logger *mlog.Logger,
+	logger mlog.LoggerIFace,
 	audit *audit.Audit,
 	isPlugin bool,
 ) *API {