Added new OI

[Ephenodrom]

Added the following OI:

• 1.2.840.113549.1.1.13 sha512WithRSAEncryption
• 1.2.840.113549.1.1.12 sha384WithRSAEncryption
• 1.2.840.113549.1.1.14 sha224WithRSAEncryption
• 1.2.840.113549.1.9.14 extensionRequest
• 1.2.840.10045.4.1 ecdsaWithSHA1
• 1.2.840.10045.4.3.1 ecdsaWithSHA224
• 1.2.840.10045.4.3.3 ecdsaWithSHA384
• 1.2.840.10045.4.3.4 ecdsaWithSHA512

[Ephenodrom]

@mwcw Sorry to bother you, but would be nice to get this synced and a new release on pub.dev :). Greetings from Germany.

[Ephenodrom]

@mwcw Any news ?