add solr content_kh field type with icu tokenizer for khmer content

modules/fts-solr/src/main/scala/docspell/ftssolr/Field.scala

@@ -30,6 +30,7 @@ object Field {
   val content_de = contentField(Language.German)
   val content_en = contentField(Language.English)
   val content_fr = contentField(Language.French)
+  val content_kh = contentField(Language.Khmer)
   val itemName = Field("itemName")
   val itemNotes = Field("itemNotes")
   val folderId = Field("folder")

modules/fts-solr/src/main/scala/docspell/ftssolr/SolrSetup.scala

@@ -172,7 +172,18 @@ object SolrSetup {
             "Add Ukrainian",
             addContentField(Language.Ukrainian)
           ),
-          SolrMigration.reIndexAll(31, "Re-Index after adding Estonian and Ukrainian")
+          SolrMigration.reIndexAll(31, "Re-Index after adding Estonian and Ukrainian"),
+          SolrMigration[F](
+            32,
+            "Add new field type for khmer content",
+            addFieldType(AddFieldType.textKhm)
+          ),
+          SolrMigration[F](
+            33,
+            "Add Khmer",
+            addContentField(Language.Khmer)
+          ),
+          SolrMigration.reIndexAll(34, "Re-Index after adding Khmer")
         )
 
       def addFolderField: F[Unit] =
@@ -347,6 +358,16 @@ object SolrSetup {
       )
     )
 
+    val textKhm = AddFieldType(
+      "text_kh",
+      "solr.TextField",
+      Analyzer(
+        Tokenizer("solr.ICUTokenizerFactory", Map.empty),
+        List(
+        )
+      )
+    )
+
     final case class Filter(`class`: String, attr: Map[String, String])
     final case class Tokenizer(`class`: String, attr: Map[String, String])
     final case class Analyzer(tokenizer: Tokenizer, filter: List[Filter])