feat: 初始化项目结构和配置- 创建 Maven 项目配置文件 pom.xml

- 添加 Spring Boot 相关依赖
- 创建项目启动类 PortalApplication
- 配置 .gitignore 文件，忽略IDE和系统产生的临时文件

c_portal/pom.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>c_portal</artifactId>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-autoconfigure -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-autoconfigure</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

c_portal/src/main/java/cn/nopj/chaos/portal/PortalApplication.java

@@ -0,0 +1,11 @@
+package cn.nopj.chaos.portal;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication(scanBasePackages = "cn.nopj.chaos")
+public class PortalApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(PortalApplication.class,args);
+    }
+}