feat: Add utils-crypto package

• gitlab-web-ide Spike MR for OAuth
• Part 1 - refactor: Add AuthType to support OAuth (!247 - merged)
• Part 2 - refactor: Set up OAuthClient and oauthCallback ... (!250 - merged)
• Pre-Part 3 - feat: Add utils-crypto package (!252 - merged)
• Part 3 - feat: Implementing OAuthClient (!251 - merged)

Description

From commit:

• This way we dont need to add dependency for 3rd party for this algorithm
• Related to this MR