feat: make the password optional

[0x2E]

Fix #29

[Copilot]

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

Files not reviewed (1)

• .env.example: Language not supported

Comments suppressed due to low confidence (2)

api/api.go:74

• [nitpick] The condition checking for a non-empty password hash is duplicated. Consider extracting this logic into a boolean flag (e.g., isPasswordSet) to improve clarity and reduce repetition.

if len(params.PasswordHash.Bytes()) != 0 {

api/api.go:95

• [nitpick] The duplicate check for a non-empty password hash appears again. Refactoring this into a shared value would ensure consistency and ease future maintenance.

if len(params.PasswordHash.Bytes()) != 0 {

[mtlynch]

LGTM!