Add missing license and fix style

src/main/kotlin/toml/platform/forge/completion/ModsTomlCompletionContributor.kt

@@ -104,25 +104,31 @@ object ModsTomlKeyCompletionProvider : CompletionProvider<CompletionParameters>(
                 val existingKeys = table.entries.mapTo(HashSet()) { it.key.text }
                 schema.topLevelEntries(isArray).filter { it.key !in existingKeys }
             }
+
             is TomlKeyValue -> when (table) {
                 null -> {
                     val existingKeys =
                         key.containingFile.children.filterIsInstance<TomlKeyValue>().mapTo(HashSet()) { it.key.text }
                     schema.topLevelEntries.filter { it.key !in existingKeys }
                 }
+
                 is TomlHeaderOwner -> {
                     val tableName = table.header.key?.segments?.firstOrNull()?.text ?: return
                     val existingKeys = table.entries.mapTo(HashSet()) { it.key.text }
                     schema.entriesForTable(tableName).filter { it.key !in existingKeys }
                 }
+
                 else -> return
             }
+
             else -> return
         }
 
-        result.addAllElements(variants.map { entry ->
-            LookupElementBuilder.create(entry, entry.key).withInsertHandler(TomlKeyInsertionHandler(keyValue))
-        })
+        result.addAllElements(
+            variants.map { entry ->
+                LookupElementBuilder.create(entry, entry.key).withInsertHandler(TomlKeyInsertionHandler(keyValue))
+            }
+        )
     }
 }
 

src/main/kotlin/toml/toml/TomlKeyInsertionHandler.kt

@@ -1,3 +1,23 @@
+/*
+ * Minecraft Development for IntelliJ
+ *
+ * https://mcdev.io/
+ *
+ * Copyright (C) 2024 minecraft-dev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, version 3.0 only.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.demonwav.mcdev.toml.toml
 
 import com.intellij.codeInsight.AutoPopupController
@@ -17,7 +37,7 @@ class TomlKeyInsertionHandler(private val keyValue: TomlKeyValue) : InsertHandle
             context.document.insertString(context.tailOffset, " = ")
             PsiDocumentManager.getInstance(context.project).commitDocument(context.document)
             context.editor.caretModel.moveToOffset(context.tailOffset) // The tail offset is tracked automatically
-            AutoPopupController.getInstance(context.project).scheduleAutoPopup(context.editor);
+            AutoPopupController.getInstance(context.project).scheduleAutoPopup(context.editor)
         }
     }
 }