🚀 Update all icons to new standard

ℹ️ This commit updates the sizes of all icons to match the new standard, ensuring consistency throughout the project. The new sizes were determined after careful consideration and testing to improve the overall user experience. All icons have also gotten a SVG counterpart if possible.

svg/atlassian-jira.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><path fill="#2684ff" d="M46.012 0H22.904c0 5.76 4.663 10.422 10.423 10.422h4.251v4.115c0 5.76 4.663 10.423 10.423 10.423V1.988a1.99 1.99 0 0 0-1.989-1.989z"/><path fill="url(#a)" d="M21.28 9.76H9.726a5.21 5.21 0 0 0 5.211 5.211h2.126v2.058a5.21 5.21 0 0 0 5.212 5.211V10.754a.995.995 0 0 0-.995-.994z" transform="matrix(2 0 0 2 -8 -8)"/><path fill="url(#b)" d="M15.554 15.52H4a5.21 5.21 0 0 0 5.211 5.211h2.126v2.058A5.21 5.21 0 0 0 16.55 28V16.514a.995.995 0 0 0-.995-.994z" transform="matrix(2 0 0 2 -8 -8)"/><defs><linearGradient id="a" x1="22.034" x2="17.118" y1="9.773" y2="14.842" gradientUnits="userSpaceOnUse"><stop offset=".176" stop-color="#0052CC"/><stop offset="1" stop-color="#2684FF"/></linearGradient><linearGradient id="b" x1="16.641" x2="10.957" y1="15.564" y2="21.094" gradientUnits="userSpaceOnUse"><stop offset=".176" stop-color="#0052CC"/><stop offset="1" stop-color="#2684FF"/></linearGradient></defs></svg>