[AFP-111] Create 'ManagerService' to handle manager API calls (@asegers)

src/services/ManagerService.ts

+import { Manager } from 'Manager'
+import { tokenStorage } from 'utils'
+import Axios, { AxiosError } from 'axios'
+
+const BASE_PATH = '/api/managers'
+
+export const authenticate = async (token: string): Promise<Manager> => {
+    try {
+        const { data } = await Axios.post(
+            `${BASE_PATH}/auth`, 
+            {}, // Empty body
+            { headers: { Authorization: `Bearer ${token}` } }
+        )
+        return data;   
+    } catch (error) {
+        const { response } = error as AxiosError;
+        // Get Status Code
+        return response?.data;
+    }
+}
+
+export const getAccount = async (): Promise<Manager> => {
+    const token = tokenStorage.get();
+    try {
+        const { data } = await Axios.get(
+            `${BASE_PATH}/account`, 
+            { headers: { Authorization: `Bearer ${token}` } }
+        )
+        return data;
+    } catch (error) {
+        const { response } = error as AxiosError;
+        return response?.data;
+    }
+}
+
+export const updateAccount = async (): Promise<Manager>  => {
+    const token = tokenStorage.get();
+    try {
+        const { data } = await Axios.patch(
+            `${BASE_PATH}/account`, 
+            {}, // Empty body
+            { headers: { Authorization: `Bearer ${token}` } }
+        )
+        return data;
+    } catch (error) {
+        const { response } = error as AxiosError;
+        return response?.data;
+    }
+}
+
+export const deleteAccount = async () => {
+    const token = tokenStorage.get();
+    try {
+        await Axios.delete(
+            `${BASE_PATH}/account`, 
+            { headers: { Authorization: `Bearer ${token}` } }
+        )
+    } catch (error) {
+        const { response } = error as AxiosError;
+        return response?.data;
+    }
+}
+
+export default {
+    authenticate,
+    getAccount,
+    updateAccount,
+    deleteAccount
+}
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src/services/index.ts

+export {default as ManagerService} from './ManagerService'
 export {default as OrderService} from './OrderService'
 export {default as GoogleAuthService } from './GoogleAuthService'
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