feat: add verify and authenticate command

test/commands/verify.test.ts

@@ -0,0 +1,14 @@
+import {runCommand} from '@oclif/test'
+import {expect} from 'chai'
+
+describe('verify', () => {
+  it('runs verify cmd', async () => {
+    const {stdout} = await runCommand('verify')
+    expect(stdout).to.contain('hello world')
+  })
+
+  it('runs verify --name oclif', async () => {
+    const {stdout} = await runCommand('verify --name oclif')
+    expect(stdout).to.contain('hello oclif')
+  })
+})