Add de lang option in config page

README.md

@@ -109,7 +109,7 @@ Download the language data files with your package manager (`apt install tessera
 directly [from Github](https://github.com/tesseract-ocr/tesseract/wiki/Data-Files).
 
 The `simon987/sist2` image comes with common languages
-(hin, jpn, eng, fra, rus, spa) pre-installed.
+(hin, jpn, eng, fra, rus, spa, chi_sim, deu) pre-installed.
 
 You can use the `+` separator to specify multiple languages. The language
 name must be identical to the `*.traineddata` file installed on your system 

sist2-vue/src/views/Configuration.vue

@@ -159,6 +159,7 @@ export default {
         {value: "en", text: this.$t("lang.en")},
         {value: "fr", text: this.$t("lang.fr")},
         {value: "zh-CN", text: this.$t("lang.zh-CN")},
+        {value: "de", text: this.$t("lang.de")},
       ],
       queryModeOptions: [
         {value: "simple", text: this.$t("queryMode.simple")},