Add Grazie-backed grammar checker and dictionary support to Lyng IDEA plugin and variants for replacements with or without Grazie interfaces

lyng-idea/src/main/resources/META-INF/spellchecker.xml

@@ -0,0 +1,29 @@
+<!--
+  ~ Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  ~
+  -->
+
+<!--
+  Spellchecker extensions for Lyng are registered here and loaded only when
+  the com.intellij.spellchecker plugin is available. The dependency is marked
+  optional in plugin.xml with config-file="spellchecker.xml".
+-->
+<idea-plugin>
+    <extensions defaultExtensionNs="com.intellij">
+        <!-- Spellchecker strategy: identifiers + comments; literals configurable, skipping printf-like specs -->
+        <spellchecker.support language="Lyng"
+                              implementationClass="net.sergeych.lyng.idea.spell.LyngSpellcheckingStrategy"/>
+    </extensions>
+</idea-plugin>