feat: add AppStream stock icons for multiflexi and multiflexi-common packages

Install multiflexi.svg and multiflexi-common.svg as AppStream stock icons
for their respective packages via hicolor icon theme and metainfo XML.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Vitexus

debian/cz.vitexsoftware.multiflexi.metainfo.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="generic">
+  <id>cz.vitexsoftware.multiflexi</id>
+  <icon type="stock">multiflexi</icon>
+  <metadata_license>MIT</metadata_license>
+  <project_license>MIT</project_license>
+  <name>MultiFlexi</name>
+  <summary>Run various tools on top of AbraFlexi and Stormware Pohoda</summary>
+  <description>
+    <p>
+      Define server, customers and its companies. Then specify which services and commands run upon it.
+    </p>
+  </description>
+  <url type="homepage">https://github.com/VitexSoftware/MultiFlexi</url>
+  <url type="bugtracker">https://github.com/VitexSoftware/MultiFlexi/issues</url>
+  <developer id="cz.vitexsoftware">
+    <name>VitexSoftware</name>
+  </developer>
+  <content_rating type="oars-1.1"/>
+</component>

debian/multiflexi.install

@@ -0,0 +1,2 @@
+multiflexi.svg	usr/share/icons/hicolor/scalable/apps/
+debian/cz.vitexsoftware.multiflexi.metainfo.xml	usr/share/metainfo/