Add iconify and replace offline icons

frontend/package-lock.json

@@ -9,6 +9,7 @@
 			"version": "0.0.1",
 			"dependencies": {
 				"@codemirror/lang-python": "^6.2.1",
+				"@iconify/svelte": "^5.0.2",
 				"codemirror": "^6.0.2",
 				"monaco-editor": "^0.54.0",
 				"svelte-codemirror-editor": "^2.1.0"
@@ -803,6 +804,27 @@
 				"url": "https://github.com/sponsors/nzakas"
 			}
 		},
+		"node_modules/@iconify/svelte": {
+			"version": "5.0.2",
+			"resolved": "https://registry.npmjs.org/@iconify/svelte/-/svelte-5.0.2.tgz",
+			"integrity": "sha512-1iWUT+1veS/QOAzKDG0NPgBtJYGoJqEPwF97voTm8jw6PQ6yU0hL73lEwFoTGMrZmatLvh9cjRBmeSHHaltmrg==",
+			"license": "MIT",
+			"dependencies": {
+				"@iconify/types": "^2.0.0"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/cyberalien"
+			},
+			"peerDependencies": {
+				"svelte": ">4.0.0"
+			}
+		},
+		"node_modules/@iconify/types": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/@iconify/types/-/types-2.0.0.tgz",
+			"integrity": "sha512-+wluvCrRhXrhyOmRDJ3q8mux9JkKy5SJ/v8ol2tu4FVjyYvtEzkc/3pK15ET6RKg4b4w4BmTk1+gsCUhf21Ykg==",
+			"license": "MIT"
+		},
 		"node_modules/@isaacs/fs-minipass": {
 			"version": "4.0.1",
 			"resolved": "https://registry.npmjs.org/@isaacs/fs-minipass/-/fs-minipass-4.0.1.tgz",