Write unit tests for all the available commands. - [x] `mevn junkcmd` -> warns on unknown command - [x] command suggestion - [x] `mevn init` - [x] `mevn codesplit` - [x] `mevn generate` - [x] `mevn add` - [ ] `mevn serve` - [ ] `mevn dockerize` - [ ] `mevn deploy` - [x] `mevn info`