Add third-party brand icon support

kb/diagram/brand-icons/fallback/jirasoftware.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Jira Software</title><path d="M12.004 0c-2.35 2.395-2.365 6.185.133 8.585l3.412 3.413-3.197 3.198a6.501 6.501 0 0 1 1.412 7.04l9.566-9.566a.95.95 0 0 0 0-1.344L12.004 0zm-1.748 1.74L.67 11.327a.95.95 0 0 0 0 1.344C4.45 16.44 8.22 20.244 12 24c2.295-2.298 2.395-6.096-.08-8.533l-3.47-3.469 3.2-3.2c-1.918-1.955-2.363-4.725-1.394-7.057z"/></svg>

kb/diagram/brand-icons/official/jira-service-management/Jira-Service-Management_icon.svg

@@ -0,0 +1,11 @@
+<svg width="48" height="48" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M0 12C0 5.37258 5.37258 0 12 0H36C42.6274 0 48 5.37258 48 12V36C48 42.6274 42.6274 48 36 48H12C5.37258 48 0 42.6274 0 36V12Z" fill="#FFC716"/>
+<g clip-path="url(#clip0_1_6409)">
+<path d="M27.4016 20.4052H36.3282C37.6688 20.4052 38.1266 21.6804 37.3091 22.694L23.347 39.926C18.8347 36.3292 19.2597 30.6397 22.5623 26.487L27.4016 20.4052ZM20.5023 27.2718H11.5757C10.2351 27.2718 9.77728 25.9966 10.5947 24.9829L24.5569 7.75098C29.0692 11.3478 28.5787 16.9719 25.3089 21.1572L20.5023 27.2718Z" fill="#101214"/>
+</g>
+<defs>
+<clipPath id="clip0_1_6409">
+<rect width="27.5283" height="32.175" fill="white" transform="translate(10.1876 7.75049)"/>
+</clipPath>
+</defs>
+</svg>

kb/diagram/brand-icons/official/jira/Jira_icon.svg

@@ -0,0 +1,11 @@
+<svg width="48" height="48" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M0 12C0 5.37258 5.37258 0 12 0H36C42.6274 0 48 5.37258 48 12V36C48 42.6274 42.6274 48 36 48H12C5.37258 48 0 42.6274 0 36V12Z" fill="#1868DB"/>
+<g clip-path="url(#clip0_1_5403)">
+<path d="M17.9475 31.0469H15.2429C11.1638 31.0469 8.23755 28.5484 8.23755 24.8899H22.7804C23.5341 24.8899 24.0218 25.4252 24.0218 26.1837V40.8178C20.3861 40.8178 17.9475 37.8731 17.9475 33.7684V31.0469ZM25.1303 23.7745H22.4257C18.3466 23.7745 15.4203 21.3206 15.4203 17.6621H29.9631C30.7168 17.6621 31.2489 18.1528 31.2489 18.9113V33.5454C27.6132 33.5454 25.1303 30.6007 25.1303 26.496V23.7745ZM32.3573 16.5467H29.6527C25.5736 16.5467 22.6473 14.0482 22.6473 10.3896H37.1902C37.9439 10.3896 38.4316 10.925 38.4316 11.6389V26.273C34.7959 26.273 32.3573 23.3283 32.3573 19.2236V16.5467Z" fill="white"/>
+</g>
+<defs>
+<clipPath id="clip0_1_5403">
+<rect width="30.1941" height="30.4281" fill="white" transform="translate(8.23755 10.3901)"/>
+</clipPath>
+</defs>
+</svg>