Improve graphics

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.21
-app.versionCode=21
+app.versionName=0.0.22
+app.versionCode=22

icons/button_back.svg

 <?xml version="1.0" encoding="UTF-8"?>
-<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 93.665 93.676" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><path d="m46.834 11.248c-19.624 0-35.588 15.964-35.588 35.592 0 19.624 15.964 35.588 35.588 35.588s35.584-15.964 35.584-35.588c0-19.629-15.96-35.592-35.584-35.592zm0 63.607c-15.471 0-28.02-12.544-28.02-28.014 0-15.477 12.549-28.019 28.02-28.019s28.018 12.541 28.018 28.019c0 15.471-12.547 28.014-28.018 28.014z" stroke-width=".75985"/><path d="m55.403 64.285c0.85468 0.85879 3.0403 0.85879 3.0403 0v-34.893c0-0.85985-2.1908-0.85985-3.0486 0l-28.641 15.895c-0.8578 0.85468-0.87224 2.2454-0.0165 3.1032z" fill="#ed9138" stroke-width="1.031"/></svg>
+<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 93.665 93.676" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><rect x=".44662" y=".89101" width="92.772" height="91.894" ry="11.689" fill="#e41578" stroke="#fff" stroke-width=".238"/><path d="m59.387 71.362c1.1248 1.1302 4.0012 1.1302 4.0012 0v-45.921c0-1.1316-2.8832-1.1316-4.0121 0l-37.693 20.918c-1.1289 1.1248-1.1479 2.9551-0.02171 4.084z" fill="#fefeff" stroke="#930e4e" stroke-linecap="round" stroke-linejoin="round" stroke-width="8.257"/><path d="m57.857 68.048c0.96243 0.96706 3.4236 0.96706 3.4236 0v-39.292c0-0.96825-2.467-0.96825-3.4329 0l-32.252 17.898c-0.96594 0.96243-0.9822 2.5285-0.01858 3.4945z" fill="#fefeff" stroke="#feffff" stroke-linecap="round" stroke-linejoin="round" stroke-width="4.314"/></svg>

icons/button_show_conflicts.svg

 <?xml version="1.0" encoding="UTF-8"?>
-<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 91.389 91.821" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><rect width="91.389" height="91.821" ry="0" fill="#e2b300"/><path d="m79.855 13.662a1.4083 1.4083 0 0 0-1.8775-0.11982l-26.365 20.293-1.1585-12.723a1.4009 1.4009 0 0 0-1.0985-1.2583 1.4367 1.4367 0 0 0-1.558 0.65904l-6.8708 11.644-9.6071-9.5472a1.4562 1.4562 0 0 0-1.6578-0.25965 1.4737 1.4737 0 0 0-0.77887 1.2782 0.972 0.972 0 0 0 0.02006 0.23979l2.177 13.182-21.052-3.4553a1.4314 1.4314 0 0 0-0.99866 2.6166l17.576 11.345-10.825 7.6299a1.4314 1.4314 0 0 0 0.81885 2.5965l12.783 0.13983-13.981 21.751a1.4236 1.4236 0 0 0 2.0972 1.8775l22.23-17.956 5.5725 6.4713a1.4509 1.4509 0 0 0 1.3582 0.45946 1.3606 1.3606 0 0 0 1.0786-0.9588l2.3967-7.1703 12.483 5.7723a1.4376 1.4376 0 0 0 1.6579-0.31951 1.451 1.451 0 0 0 0.19979-1.6777l-6.6512-11.784 13.062-3.5353a1.4274 1.4274 0 0 0 1.0586-1.3182 1.4045 1.4045 0 0 0-0.91882-1.3983l-12.583-4.7337 21.531-27.863a1.4082 1.4082 0 0 0-0.11982-1.8775z" stroke-width="2.0684"/></svg>
+<svg enable-background="new 0 0 100 100" version="1.1" viewBox="0 0 91.389 91.821" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><rect width="91.389" height="91.821" ry="10.769" fill="#e2b300"/><path d="m45.694 15.074c-17.876 0-32.409 13.297-32.409 29.657 0 9.3607 4.7078 17.672 12.077 23.096-0.68229 2.712-2.1151 6.2113-4.9125 10.411-1.774 2.6245 0.34114 6.6487 2.8656 5.424 5.3219-2.537 11.462-6.1238 17.125-9.6232 1.7057 0.26245 3.4797 0.43742 5.2536 0.43742 17.876 0 32.409-13.297 32.409-29.657 0-16.447-14.533-29.744-32.409-29.744z" stroke-width=".77259"/><g transform="matrix(1.4237 0 0 1.4237 35.524 -7.1668)" fill="#e0b500" aria-label="!"><path d="m10.283 28.74-1.16 11.88q-0.2 1.96-1.96 1.96-0.84 0-1.4-0.52-0.52-0.52-0.6-1.44l-1.16-11.88q-0.08-0.96-0.08-1.32 0-1.4 0.92-2.28 0.92-0.92 2.32-0.92t2.28 0.92q0.92 0.92 0.92 2.28 0 0.28-0.08 1.32zm-2.8 21.6h-0.68q-1.12 0-1.92-0.76-0.76-0.8-0.76-1.88t0.76-1.84q0.8-0.8 1.92-0.8h0.68q1.12 0 1.88 0.76t0.76 1.88-0.76 1.88q-0.76 0.76-1.88 0.76z" fill="#e0b500"/></g></svg>