plugins/terminal/resources/META-INF/terminal.xml

<idea-plugin version="2">
  <extensions defaultExtensionNs="com.intellij">
    <toolWindow id="Terminal" anchor="bottom" icon="TerminalIcons.OpenTerminal_13x13"
                factoryClass="org.jetbrains.plugins.terminal.TerminalToolWindowFactory" secondary="false"/>

    <projectConfigurable groupId="tools" groupWeight="130" displayName="Terminal" instance="org.jetbrains.plugins.terminal.TerminalOptionsConfigurable"/>

    <fileEditorProvider implementation="org.jetbrains.plugins.terminal.vfs.TerminalSessionEditorProvider"/>
  </extensions>

  <project-components>
    <component>
      <interface-class>org.jetbrains.plugins.terminal.TerminalView</interface-class>
      <implementation-class>org.jetbrains.plugins.terminal.TerminalView</implementation-class>
    </component>
  </project-components>

  <application-components>
    <component>
      <interface-class>org.jetbrains.plugins.terminal.TerminalOptionsProvider</interface-class>
      <implementation-class>org.jetbrains.plugins.terminal.TerminalOptionsProvider</implementation-class>
    </component>
  </application-components>
</idea-plugin>