+ doc for handlers and some methods in OkHttpTelegramBot

+ some fixes idk

.idea/misc.xml

@@ -4,5 +4,9 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
+  <component name="JavadocGenerationManager">
+    <option name="OUTPUT_DIRECTORY" value="$USER_HOME$/Documents/javadoc" />
+    <option name="OPTION_SCOPE" value="public" />
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK" />
 </project>