fix(gui): add silo-* icons to Qt resource file for origin commands

Copy silo-bom, silo-commit, silo-info, silo-pull, and silo-push SVG
icons from mods/silo/pkg/freecad/resources/icons/ into src/Gui/Icons/
and register them in resource.qrc so they are compiled into the binary
and discoverable by BitmapFactory at runtime.

src/Gui/Icons/resource.qrc

@@ -185,6 +185,11 @@
         <file>sel-bbox.svg</file>
         <file>sel-forward.svg</file>
         <file>sel-instance.svg</file>
+        <file>silo-bom.svg</file>
+        <file>silo-commit.svg</file>
+        <file>silo-info.svg</file>
+        <file>silo-pull.svg</file>
+        <file>silo-push.svg</file>
         <file>spaceball_button.svg</file>
         <file>SpNav-PanLR.svg</file>
         <file>SpNav-PanUD.svg</file>

src/Gui/Icons/silo-bom.svg

@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#cba6f7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Outer box -->
+  <rect x="3" y="3" width="18" height="18" rx="2" fill="#313244"/>
+  <!-- List lines (BOM rows) -->
+  <line x1="8" y1="8" x2="18" y2="8" stroke="#89dceb" stroke-width="1.5"/>
+  <line x1="8" y1="12" x2="18" y2="12" stroke="#89dceb" stroke-width="1.5"/>
+  <line x1="8" y1="16" x2="18" y2="16" stroke="#89dceb" stroke-width="1.5"/>
+  <!-- Hierarchy dots -->
+  <circle cx="6" cy="8" r="1" fill="#cba6f7"/>
+  <circle cx="6" cy="12" r="1" fill="#cba6f7"/>
+  <circle cx="6" cy="16" r="1" fill="#cba6f7"/>
+</svg>

src/Gui/Icons/silo-commit.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#cba6f7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Git commit style -->
+  <circle cx="12" cy="12" r="4" fill="#313244" stroke="#a6e3a1"/>
+  <line x1="12" y1="2" x2="12" y2="8" stroke="#cba6f7"/>
+  <line x1="12" y1="16" x2="12" y2="22" stroke="#cba6f7"/>
+  <!-- Checkmark inside -->
+  <polyline points="9.5 12 11 13.5 14.5 10" stroke="#a6e3a1" stroke-width="1.5" fill="none"/>
+</svg>

src/Gui/Icons/silo-info.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#cba6f7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Info circle -->
+  <circle cx="12" cy="12" r="10" fill="#313244"/>
+  <line x1="12" y1="16" x2="12" y2="12" stroke="#89dceb" stroke-width="2"/>
+  <circle cx="12" cy="8" r="0.5" fill="#89dceb" stroke="#89dceb"/>
+</svg>

src/Gui/Icons/silo-pull.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#cba6f7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Cloud -->
+  <path d="M18 10h-1.26A8 8 0 1 0 9 20h9a5 5 0 0 0 0-10z" fill="#313244"/>
+  <!-- Download arrow -->
+  <path d="M12 13v5m0 0l-2-2m2 2l2-2" stroke="#89b4fa" stroke-width="2"/>
+  <line x1="12" y1="9" x2="12" y2="13" stroke="#89b4fa" stroke-width="2"/>
+</svg>

src/Gui/Icons/silo-push.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="#cba6f7" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Cloud -->
+  <path d="M18 10h-1.26A8 8 0 1 0 9 20h9a5 5 0 0 0 0-10z" fill="#313244"/>
+  <!-- Upload arrow -->
+  <path d="M12 18v-5m0 0l-2 2m2-2l2 2" stroke="#a6e3a1" stroke-width="2"/>
+  <line x1="12" y1="13" x2="12" y2="9" stroke="#a6e3a1" stroke-width="2"/>
+</svg>