Add project files.

Core.Blueprint.KeyVault/Contracts/IKeyVaultProvider.cs

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+
+namespace Core.Blueprint.KeyVault
+{
+    /// <summary>
+    /// Interface for managing secrets in Azure Key Vault.
+    /// </summary>
+    public interface IKeyVaultProvider
+    {
+        /// <summary>
+        /// Creates a new secret in Azure Key Vault.
+        /// </summary>
+        /// <param name="keyVaultRequest">The request containing the name and value of the secret.</param>
+        /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
+        /// <returns>A <see cref="KeyVaultResponse"/> containing the details of the created secret.</returns>
+        ValueTask<KeyVaultResponse> CreateSecretAsync(KeyVaultRequest keyVaultRequest, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Deletes a secret from Azure Key Vault if it exists.
+        /// </summary>
+        /// <param name="secretName">The name of the secret to delete.</param>
+        /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
+        /// <returns>
+        /// A <see cref="Tuple"/> containing a status message and a boolean indicating whether the secret was successfully deleted.
+        /// </returns>
+        ValueTask<Tuple<string, bool>> DeleteSecretAsync(string secretName, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Retrieves a secret from Azure Key Vault.
+        /// </summary>
+        /// <param name="secretName">The name of the secret to retrieve.</param>
+        /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
+        /// <returns>
+        /// A <see cref="Tuple"/> containing the <see cref="KeyVaultResponse"/> with secret details 
+        /// and an optional error message if the secret was not found.
+        /// </returns>
+        ValueTask<Tuple<KeyVaultResponse, string?>> GetSecretAsync(string secretName, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Updates an existing secret in Azure Key Vault. If the secret does not exist, an error is returned.
+        /// </summary>
+        /// <param name="newSecret">The updated secret information.</param>
+        /// <param name="cancellationToken">The cancellation token to cancel the operation.</param>
+        /// <returns>
+        /// A <see cref="Tuple"/> containing the updated <see cref="KeyVaultResponse"/> and an optional error message if the secret was not found.
+        /// </returns>
+        ValueTask<Tuple<KeyVaultResponse, string>> UpdateSecretAsync(KeyVaultRequest newSecret, CancellationToken cancellationToken);
+    }
+}