Replace CorveilBrandmark PNG with SVG for crisper rendering

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "vendor/ghostty"]
 	path = vendor/ghostty
 	url = https://github.com/ghostty-org/ghostty.git
+	ignore = dirty

Package.swift

@@ -38,7 +38,7 @@ let package = Package(
             path: "Sources/Crow",
             resources: [
                 .copy("Resources/AppIcon.png"),
-                .copy("Resources/CorveilBrandmark.png"),
+                .copy("Resources/CorveilBrandmark.svg"),
             ],
             linkerSettings: [
                 .linkedFramework("Carbon"),

Packages/CrowUI/Sources/CrowUI/CorveilTheme.swift

@@ -82,7 +82,7 @@ public struct BrandmarkImage: View {
 
     static func load() -> NSImage? {
         for bundle in Bundle.allBundles {
-            if let url = bundle.url(forResource: "CorveilBrandmark", withExtension: "png"),
+            if let url = bundle.url(forResource: "CorveilBrandmark", withExtension: "svg"),
                let image = NSImage(contentsOf: url) {
                 return image
             }

Sources/Crow/App/AboutView.swift

@@ -61,7 +61,7 @@ struct AboutView: View {
 
     private func loadBrandmark() -> NSImage? {
         for bundle in Bundle.allBundles {
-            if let url = bundle.url(forResource: "CorveilBrandmark", withExtension: "png"),
+            if let url = bundle.url(forResource: "CorveilBrandmark", withExtension: "svg"),
                let image = NSImage(contentsOf: url) {
                 return image
             }