[web-client] simple theme: move sources to client/simple/src

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

client/simple/src/svg/information-circle-outline.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512">
+    <title>Information Circle</title>
+    <path d="M248 64C146.39 64 64 146.39 64 248s82.39 184 184 184 184-82.39 184-184S349.61 64 248 64z" fill="none" stroke="currentColor" stroke-miterlimit="10" stroke-width="32"/><path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="32" d="M220 220h32v116"/>
+    <path fill="none" stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="32" d="M208 340h88"/>
+    <path fill="currentColor" stroke="currentColor" stroke-linecap="round" d="M248 130a26 26 0 1026 26 26 26 0 00-26-26z"/>
+</svg>

client/simple/src/svg/select-dark.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512">
+<g><polygon fill="#ddd" points="128,192 256,320 384,192"/></g>
+</svg>

client/simple/src/svg/select-light.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512">
+<g><polygon points="128,192 256,320 384,192"/></g>
+</svg>