Add company endpoints

src/endpoints/companies.ts

@@ -0,0 +1,21 @@
+import { Images } from './../types';
+import { CompanyDetails, AlternativeNames } from './../types/companies';
+import { BaseEndpoint } from './base';
+
+export class CompaniesEndpoint extends BaseEndpoint {
+  constructor(protected readonly accessToken: string) {
+    super(accessToken);
+  }
+
+  async details(id: number): Promise<CompanyDetails> {
+    return await this.api.get<CompanyDetails>(`/company/${id}`);
+  }
+
+  async alternativeNames(id: number): Promise<AlternativeNames> {
+    return await this.api.get<AlternativeNames>(`/company/${id}/alternative_names`);
+  }
+
+  async images(id: number): Promise<Images> {
+    return await this.api.get<Images>(`/company/${id}/images`);
+  }
+}