[IMP] odooDebug: Enable debug mode by default exclusively for only localhost

[user-64bit]

Hello There I don't know, this repository is even currently active or not. But still lemme try this... :smile:

It's been few months I've been working at Odoo. And while bugfixing Odoo's task I found this one teeny tiny Improvement which can be made here. (it'll give just a little less pain to Devs :sweat_smile: )

When working on localhost we need to enable debugMode but with this PR it'll check that if it's localhost then It'll automatically enable debug mode.

One question: I've only added this for localhost. should I also add this one for odoo.com and runbot too?