feat: initialize frontend with React, Vite, and Tailwind CSS

- Added package.json for project dependencies and scripts.
- Configured PostCSS with Tailwind CSS.
- Created main application structure with App component and routing.
- Implemented API client for handling requests with Axios.
- Developed authentication API for login, logout, and user verification.
- Created entities API for managing virtual entities.
- Implemented logs API for fetching dispatch logs.
- Added navigation bar component for app navigation.
- Created protected route component for route guarding.
- Set up global CSS with Tailwind directives.
- Configured main entry point for React application.
- Developed basic Dashboard and Login pages.
- Set up router for application navigation.
- Added Jest testing setup for testing library.
- Configured Tailwind CSS with content paths.
- Set TypeScript configuration for frontend.
- Created Vite configuration for development and production builds.
- Added Nginx configuration for serving the application and proxying API requests.

backend/src/main/kotlin/com/condado/newsletter/CondadoApplication.kt

@@ -0,0 +1,13 @@
+package com.condado.newsletter
+
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+import org.springframework.scheduling.annotation.EnableScheduling
+
+@SpringBootApplication
+@EnableScheduling
+class CondadoApplication
+
+fun main(args: Array<String>) {
+    runApplication<CondadoApplication>(*args)
+}

backend/src/main/resources/application-dev.yml

@@ -0,0 +1,42 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:condado;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE
+    username: sa
+    password:
+    driver-class-name: org.h2.Driver
+
+  jpa:
+    hibernate:
+      ddl-auto: create-drop
+    show-sql: true
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.H2Dialect
+
+  mail:
+    host: localhost
+    port: 1025
+    username: test
+    password: test
+    properties:
+      mail:
+        smtp:
+          auth: false
+          starttls:
+            enable: false
+
+app:
+  password: devpassword
+  recipients: dev@example.com
+  jwt:
+    secret: dev-secret-key-at-least-256-bits-long-for-hs256-algorithm
+    expiration-ms: 86400000
+
+imap:
+  host: localhost
+  port: 993
+  inbox-folder: INBOX
+
+openai:
+  api-key: dev-key
+  model: gpt-4o

backend/src/main/resources/application.yml

@@ -0,0 +1,55 @@
+spring:
+  application:
+    name: condado-newsletter
+
+  datasource:
+    url: ${SPRING_DATASOURCE_URL}
+    username: ${SPRING_DATASOURCE_USERNAME}
+    password: ${SPRING_DATASOURCE_PASSWORD}
+    driver-class-name: org.postgresql.Driver
+
+  jpa:
+    hibernate:
+      ddl-auto: validate
+    show-sql: false
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.PostgreSQLDialect
+        format_sql: true
+
+  mail:
+    host: ${MAIL_HOST}
+    port: ${MAIL_PORT}
+    username: ${MAIL_USERNAME}
+    password: ${MAIL_PASSWORD}
+    properties:
+      mail:
+        smtp:
+          auth: true
+          starttls:
+            enable: true
+
+server:
+  port: 8080
+
+app:
+  password: ${APP_PASSWORD}
+  recipients: ${APP_RECIPIENTS}
+  jwt:
+    secret: ${JWT_SECRET}
+    expiration-ms: ${JWT_EXPIRATION_MS:86400000}
+
+imap:
+  host: ${IMAP_HOST}
+  port: ${IMAP_PORT:993}
+  inbox-folder: ${IMAP_INBOX_FOLDER:INBOX}
+
+openai:
+  api-key: ${OPENAI_API_KEY}
+  model: ${OPENAI_MODEL:gpt-4o}
+
+springdoc:
+  swagger-ui:
+    path: /swagger-ui.html
+  api-docs:
+    path: /v3/api-docs