Use consistent and explicit names for source files

Author: Paulo Cabral

authentication/oauth-client-credentials/cc-flow.js renamed to authentication/oauth-client-credentials/client-credentials-flow.js

@@ -2,7 +2,7 @@
  * Dependencies.
  */
 
-import { getUserInfo, getAccessToken } from "./cc-flow.js";
+import { getUserInfo, getAccessToken } from "./client-credentials-flow.js";
 import fs from "fs";
 
 (async () => {

authentication/oauth-client-credentials/index.js

@@ -2,7 +2,7 @@
  * Dependencies.
  */
 
-import { createNewPAT, getAuthenticationMethods, getUserPATs } from "./cc-pat.js";
+import { createNewPAT, getAuthenticationMethods, getUserPATs } from "./personal-access-token.js";
 import fs from "fs";
 
 (async () => {

authentication/personal-access-token/index.js

@@ -2,7 +2,7 @@
  * Dependencies.
  */
 
-import { createAndCommitTransaction, getCardWithFunds } from "./ct-transaction.js";
+import { createAndCommitTransaction, getCardWithFunds } from "./user-to-user-transaction.js";
 import fs from "fs";
 
 (async () => {