Add user registration emails + email infrastructure (#150)

* Add email functionality

* Add email template project and rendering service

* Update email template dir structure

* Add email header and footer components for user registration template

* update example env

* Refactor email templates namespace and components

* Format email dir

.env.example

@@ -36,3 +36,19 @@ DB_PASSWORD=YourStrong!Passw0rd
 # IMPORTANT: Generate a secure secret (minimum 32 characters)
 # Command: openssl rand -base64 32
 JWT_SECRET=128490218jfklsdajfdsa90f8sd0fid0safasr31jl2k1j4AFSDR
+
+
+# ======================
+# SMTP Configuration
+# ======================
+# SMTP settings for sending emails (e.g., password resets)
+# For development, you can use a local SMTP testing tool like Mailpit or MailHog
+# In production, set these to real SMTP server credentials from an email service
+# provider (e.g., SendGrid, Mailgun, Amazon SES).
+SMTP_HOST=mailpit
+SMTP_PORT=1025
+SMTP_USERNAME=
+SMTP_PASSWORD=
+SMTP_USE_SSL=false
+SMTP_FROM_EMAIL=noreply@thebiergarten.app
+SMTP_FROM_NAME=The Biergarten App