chore: update app icon

src/images/appicon.svg

-<?xml version="1.0" encoding="UTF-8"?>
-<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 64 64">
-  <defs>
-    <style>
-      .cls-1 {
-        fill: none;
-      }
-
-      .cls-2 {
-        fill: url(#linear-gradient);
-      }
-
-      .cls-3 {
-        clip-path: url(#clippath-1);
-      }
-
-      .cls-4 {
-        fill: #2cde85;
-      }
-
-      .cls-5 {
-        clip-path: url(#clippath);
-      }
-    </style>
-    <clipPath id="clippath">
-      <rect class="cls-1" width="64" height="64"/>
-    </clipPath>
-    <linearGradient id="linear-gradient" x1="61.5" y1="80.21" x2="6.13" y2="-10.28" gradientTransform="translate(0 64) scale(1 -1)" gradientUnits="userSpaceOnUse">
-      <stop offset=".14" stop-color="#014b57"/>
-      <stop offset="1" stop-color="#0f7080"/>
-    </linearGradient>
-    <clipPath id="clippath-1">
-      <rect class="cls-1" x=".15" width="64" height="64"/>
-    </clipPath>
-  </defs>
-  <g class="cls-5">
-    <g>
-      <path class="cls-2" d="M0,8v56h56l8-8V0H8L0,8Z"/>
-      <g class="cls-3">
-        <path class="cls-4" d="M17.06,36.71c0,2.75,1.48,4.13,4.44,4.13s4.44-1.38,4.44-4.13v-15.71h5.06v15.61c0,2.89-.79,5.02-2.38,6.38-1.56,1.34-3.94,2.01-7.12,2.01s-5.56-.67-7.15-2.01c-1.57-1.36-2.35-3.49-2.35-6.38v-15.61h5.06v15.71ZM48.67,21h5.33l-5.81,24h-9.38l-5.81-24h5.33l4.34,19.76h1.65l4.34-19.76Z"/>
-      </g>
-    </g>
-  </g>
-</svg>
\ No newline at end of file
+<svg width="256" height="256" viewBox="0 0 256 256" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_674_15)">
+<path d="M0 32V256H224L256 224V0H32L0 32Z" fill="url(#paint0_linear_674_15)"/>
+<path d="M51.046 175.993C51.046 187.179 56.733 192.772 68.107 192.772C79.481 192.772 85.168 187.179 85.168 175.993V112.12H104.626V175.57C104.626 187.32 101.571 195.968 95.461 201.514C89.445 206.966 80.327 209.692 68.107 209.692C55.887 209.692 46.722 206.966 40.612 201.514C34.596 195.968 31.588 187.32 31.588 175.57V112.12H51.046V175.993ZM173.758 112.12H194.203L171.925 208H135.97L113.692 112.12H134.137L150.775 191.08H157.12L173.758 112.12Z" fill="#2CDE85"/>
+</g>
+<defs>
+<linearGradient id="paint0_linear_674_15" x1="-2.26125e-06" y1="208.5" x2="256" y2="48.5" gradientUnits="userSpaceOnUse">
+<stop stop-color="#0F7080"/>
+<stop offset="1" stop-color="#01525F"/>
+</linearGradient>
+<clipPath id="clip0_674_15">
+<rect width="256" height="256" fill="white"/>
+</clipPath>
+</defs>
+</svg>