feat: translate subtitles with an OpenAI-compatible LLM

src/settings/qtpotatosettings.kcfg

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0 http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
+  <kcfgfile name="qtpotatorc"/>
+  <group name="Translation">
+    <entry name="ApiBaseUrl" type="String">
+      <label>Base URL of the OpenAI-compatible API, including the version path (for example …/v1)</label>
+      <default></default>
+    </entry>
+    <entry name="Model" type="String">
+      <label>Model name sent to the chat completions endpoint</label>
+      <default></default>
+    </entry>
+    <entry name="TargetLanguage" type="String">
+      <label>Language to translate subtitles into, written for the model</label>
+      <default>Vietnamese</default>
+    </entry>
+    <entry name="BatchSize" type="Int">
+      <label>Subtitle lines sent per request</label>
+      <default>40</default>
+      <min>5</min>
+      <max>200</max>
+    </entry>
+  </group>
+</kcfg>