feat(cli): automatically load .env from current dir

[QuiiBz]

About

Also automatically load .env from the current directory if we're specifying a path that is a file:

# Loads ./.env
lagon dev index.ts
# Loads ./.env
lagon dev src/index.ts
# Loads ./myproject/.env
lagon dev ./myproject

[changeset-bot]

🦋 Changeset detected

Latest commit: 40cff14

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@lagon/cli	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
dashboard	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2023 7:21am
docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2023 7:21am
storybook	✅ Ready (Inspect)	Visit Preview		Jun 19, 2023 7:21am
www	✅ Ready (Inspect)	Visit Preview		Jun 19, 2023 7:21am