… generated message

feat(config.ts): add prefix configuration option to be used in the generated message. Add validation to ensure prefix is not empty.

…x and message content

fix(config.ts): fix config validation for prefix to allow non-empty values

…fig.prefix is undefined instead of falsy

…egex pattern in git branch name

feat(api.ts): add support for generating commit message prefix from git branch name if regex pattern is not provided
feat(api.ts): add getCurrentGitBranch function to get current git branch name
feat(api.ts): add generatePrefixFromRegex function to generate prefix from regex pattern in git branch name

Improve generatePrefixFromRegex function to handle capturing groups

Co-authored-by: Takuya Ono <[email protected]>

…c to improve security and reliability

refactor(api.ts): simplify prefix generation logic by checking if prefix is defined and not empty before using it
fix(api.ts): fix conditional statement in generatePrefixFromRegex to return undefined when no match is found
fix(api.ts): catch error in getCurrentGitBranch and log it to console instead of throwing it

…utter dependencies list

…variable name

feat(config.ts): add validation for OCO_PREFIX environment variable to ensure it is a valid string or regex pattern

…g regex instead of startsWith and endsWith methods

…o a separate function to improve readability and maintainability

feat(api.ts): add prefix to the message returned by getOpenCommitLatestVersion function to improve semantics and consistency with other functions

…allowForCommitPrefix