Init command (#5348)

* Init command

* More tests + check empty dir

* Move function from catalog to service package

* Interactive asks lang + type

* Interactive

* Refactor catalog package with interface

* Add mocks for catalog and init/asker

* Add tests

* Create sub-packages for init + starter project

* Rename files in pkg/catalog

* More validations

* fix

* Logs

* Rollback

* Go back and No starter

* Review

* Use filesystem.Filesystem in pkg/catalog

* Change pull from registry strategy

* More unit tests

* More tests

* Integration tests

* Review

* Use full path to fix problem with Unzip

* Add integration test for devfile with parent URI

* Add prefClient dependence to catalog package

* Move function to pkg/init package

* Review

* Fix rebase

* Review

scripts/mockgen.sh

@@ -39,6 +39,27 @@ mockgen -source=pkg/preference/preference.go \
     -package preference \
     -destination pkg/preference/mock.go
 
+
 mockgen -source=pkg/auth/interface.go \
     -package auth \
     -destination pkg/auth/mock.go
+
+mockgen -source=pkg/odo/cli/init/params/interface.go \
+    -package params \
+    -destination pkg/odo/cli/init/params/mock.go
+
+mockgen -source=pkg/catalog/interface.go \
+    -package catalog \
+    -destination pkg/catalog/mock_catalog.go
+
+mockgen -source=pkg/odo/cli/init/asker/interface.go \
+    -package asker \
+    -destination pkg/odo/cli/init/asker/mock.go
+
+mockgen -source=pkg/init/interface.go \
+    -package init \
+    -destination pkg/init/mock.go
+
+mockgen -source=pkg/init/registry/interface.go \
+    -package registry \
+    -destination pkg/init/registry/mock.go