feat: ocm did svdx generation for sender OP#250

Description

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Testing

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Checklist

• I have updated the documentation (if necessary)
• I have added unit tests for new functionality (if applicable)
• My code follows the style guidelines of this project
• I have tested this code on my local machine before submitting this MR

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Additional Notes

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libs/askar/src/askar/clients/catalog.client.ts

+import { Injectable, Logger } from "@nestjs/common";
+import { IConfCatalog } from "@ocm-engine/config";
+import { ConfigService } from "@nestjs/config";
+import axios, { AxiosError } from "axios";
+
+@Injectable()
+export class CatalogClient {
+  private readonly logger = new Logger(CatalogClient.name);
+  private catalogConfig: IConfCatalog;
+  constructor(private readonly configService: ConfigService) {
+    this.catalogConfig = this.configService.get<IConfCatalog>("catalog")!;
+  }
+
+  searchAccount = async (email: string): Promise<string | null> => {
+    this.logger.debug(`searchAccount`, email);
+    try {
+      const response = await axios.post(
+        `${this.catalogConfig.catalogUrl}/v1/accounts/search`,
+        {
+          email: email,
+        },
+      );
+      return response.data.did;
+    } catch (e) {
+      this.logger.debug("searchAccount failed", e);
+
+      if (e instanceof AxiosError && e.status === 404) {
+        return null;
+      } else {
+        throw e;
+      }
+    }
+  };
+
+  createAccount = async (email: string, didSvdx: string): Promise<void> => {
+    this.logger.debug(`createAccount`, email);
+    try {
+      await axios.post(`${this.catalogConfig.catalogUrl}/v1/accounts`, {
+        email: email,
+        did: didSvdx,
+      });
+    } catch (e) {
+      this.logger.debug("createAccount failed", e);
+      throw e;
+    }
+  };
+}