Can't create routes with name begin in number

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When we create a route with a number at the beginning
```
❯ bud new controller 1 index
| 1:9: expected 'IDENT', found 1
```
The controller is not generated but the view is.
```
view/
├── 1
│   └── index.svelte
└── index.svelte
controller/
└── controller.go
```
Result in
```
view: render error conjure: generate "bud/view/_ssr.js". ✘ [ERROR] [plugin tranform_svelte_to_js] Unexpected token (2:9)
1:
2: export let 1s = []
^
3:
4:

svelte:./bud/view/1/index.svelte:2:29:
2 │ import View1IndexSvelte from "./view/1/index.svelte"
```

Reproduce the issue with `bud new controller 1 index`, then inspect the generated `controller/` and `view/1/index.svelte` outputs and the reported Svelte transform error. Done means a controller and view are generated successfully for a route beginning with a number and the generated view builds without the invalid identifier error.

Written by the indexing model from the issue text.