feat: email connector (#157)

* new: add email connection shell

* new: add secure & insecure smtp

* new: read email

* new: more email logic

* feat: automatically reply

* feat: poc email response

* feat: introduce email concurrency and reply functionality

* feat: html replies

* refactor: make email.go legible

* feat: add email connection docs

* fix: startup error handling and dial error

README.md

@@ -511,6 +511,23 @@ Connect to IRC networks:
 ```
 </details>
 
+<details>
+<summary><strong>Email</strong></summary>
+
+```json
+{
+  "smtpServer": "smtp.gmail.com:587",
+  "imapServer": "imap.gmail.com:993",
+  "smtpInsecure": "false",
+  "imapInsecure": "false",
+  "username": "user@gmail.com",
+  "email": "user@gmail.com",
+  "password": "correct-horse-battery-staple",
+  "name": "LogalAGI Agent"
+}
+```
+</details>
+
 ## REST API
 
 <details>