Add credentials table, CRUD endpoints, and credential parameter (#1767)

Co-authored-by: Muhammed Salih Altun <muhammedsalihaltun@gmail.com>

skyvern/forge/sdk/schemas/credentials.py

@@ -0,0 +1,49 @@
+from datetime import datetime
+from enum import StrEnum
+
+from pydantic import BaseModel, ConfigDict
+
+
+class CredentialType(StrEnum):
+    PASSWORD = "password"
+    CREDIT_CARD = "credit_card"
+
+
+class PasswordCredential(BaseModel):
+    password: str
+    username: str
+
+
+class CreditCardCredential(BaseModel):
+    card_number: str
+    card_cvv: str
+    card_exp_month: str
+    card_exp_year: str
+    card_brand: str
+    card_holder_name: str
+
+
+class UpdateCredentialRequest(BaseModel):
+    name: str | None = None
+    website_url: str | None = None
+
+
+class CreateCredentialRequest(BaseModel):
+    name: str
+    website_url: str | None = None
+    credential_type: CredentialType
+    credential: PasswordCredential | CreditCardCredential
+
+
+class Credential(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    credential_id: str
+    organization_id: str
+    name: str
+    website_url: str | None = None
+    credential_type: CredentialType
+
+    created_at: datetime
+    modified_at: datetime
+    deleted_at: datetime | None = None