新增RSS订阅收集器，支持从多个RSS源获取数据并写入MySQL数据库，同时添加了相关配置文件以支持项目部署和主题设置。

.idea/deployment.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PublishConfigData" uploadOnCheckin="ee95b41f-4bcf-4810-b328-4a7a4f66093f" remoteFilesAllowedToDisappearOnAutoupload="false">
+    <serverData>
+      <paths name="gitea">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+    </serverData>
+    <option name="myUploadOnCheckinName" value="gitea" />
+  </component>
+</project>

.idea/material_theme_project_new.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MaterialThemeProjectNewConfig">
+    <option name="metadata">
+      <MTProjectMetadataState>
+        <option name="migrated" value="true" />
+        <option name="pristineConfig" value="false" />
+        <option name="userId" value="-2834c26c:198a1f98ccf:-7ffe" />
+      </MTProjectMetadataState>
+    </option>
+  </component>
+</project>

.idea/webServers.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="WebServers">
+    <option name="servers">
+      <webServer id="ee95b41f-4bcf-4810-b328-4a7a4f66093f" name="gitea" url="">
+        <fileTransfer accessType="WEBDAV" port="6180">
+          <advancedOptions>
+            <advancedOptions dataProtectionLevel="Private" passiveMode="true" shareSSLContext="true" />
+          </advancedOptions>
+        </fileTransfer>
+      </webServer>
+    </option>
+  </component>
+</project>

collectors/rss_subscriptions.py

@@ -234,7 +234,7 @@ class NewsAPIClient:
 
         return new_last_update
 
-    # news_api.py 中的 write_to_database 方法可以保持简洁
+    # rss_subscriptions.py 中的 write_to_database 方法可以保持简洁
     def write_to_database(self, df: pd.DataFrame) -> Dict[str, Any]:
         if df.empty:
             self.logger.info("没有新数据需要写入数据库")