feat(creator): 후원 탭 UI 조각을 추가한다

SodaLive/Sources/V2/CreatorChannel/Donation/Components/CreatorChannelDonationFloatingButton.swift

@@ -0,0 +1,39 @@
+import SwiftUI
+
+struct CreatorChannelDonationFloatingButton: View {
+    let action: () -> Void
+
+    var body: some View {
+        VStack {
+            Spacer()
+
+            HStack {
+                Spacer()
+
+                Button(action: action) {
+                    Image("ic_new_donation")
+                        .resizable()
+                        .renderingMode(.template)
+                        .foregroundColor(.white)
+                        .scaledToFit()
+                        .frame(width: 32, height: 32)
+                        .frame(width: 66, height: 66)
+                        .background(Color.soda400)
+                        .clipShape(Capsule())
+                }
+                .buttonStyle(.plain)
+                .padding(.trailing, SodaSpacing.s14)
+            }
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .bottomTrailing)
+    }
+}
+
+struct CreatorChannelDonationFloatingButton_Previews: PreviewProvider {
+    static var previews: some View {
+        ZStack {
+            Color.black.ignoresSafeArea()
+            CreatorChannelDonationFloatingButton(action: {})
+        }
+    }
+}