fix: improper use of readFile to read the generated public cert (#95)

Author: shazron

src/commands/app/dev/index.js

@@ -235,7 +235,7 @@ class Dev extends BaseCommand {
 
     // 2. store them globally in config
     const privateKey = (await fs.readFile(privateKeyPath, { encoding: 'utf8' }))
-    const publicCert = (await fs.readFile(pubCertPath), { encoding: 'utf8' })
+    const publicCert = (await fs.readFile(pubCertPath, { encoding: 'utf8' }))
     coreConfig.set(`${devKeysConfigKey}.privateKey`, privateKey)
     coreConfig.set(`${devKeysConfigKey}.publicCert`, publicCert)