added imaged

Signed-off-by: marinofaggiana <ios@nextcloud.com>

iOSClient/Images.xcassets/captions.bubble.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "filename" : "subtitles-outline.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

iOSClient/Images.xcassets/captions.bubble.imageset/subtitles-outline.svg

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M20,4A2,2 0 0,1 22,6V18A2,2 0 0,1 20,20H4A2,2 0 0,1 2,18V6A2,2 0 0,1 4,4H20M20,18V6H4V18H20M6,10H8V12H6V10M6,14H14V16H6V14M16,14H18V16H16V14M10,10H18V12H10V10Z" /></svg>