feat: add Superposition chain (#2400)

* feat: add Superposition chain

* Update seven-lights-relate.md

---------

Co-authored-by: Daniel Sinclair <[email protected]>

Author: af-afk

.changeset/seven-lights-relate.md

@@ -0,0 +1,5 @@
+---
+"@rainbow-me/rainbowkit": major
+---
+
+Added support for Superposition chain

packages/example/src/wagmi.ts

@@ -96,6 +96,7 @@ import {
   scroll,
   scrollSepolia,
   sepolia,
+  superposition,
   unichain,
   unichainSepolia,
   zksync,
@@ -148,6 +149,7 @@ export const config = getDefaultConfig({
     gravity,
     ink,
     sanko,
+    superposition,
     unichain,
     zora,
     linea,

packages/rainbowkit/src/components/RainbowKitProvider/chainIcons/superposition.svg

@@ -64,6 +64,7 @@ type ChainName =
   | 'scroll'
   | 'scrollSepolia'
   | 'sepolia'
+  | 'superposition'
   | 'unichain'
   | 'unichainSepolia'
   | 'xdc'
@@ -211,6 +212,11 @@ const sankoIcon: IconMetadata = {
   iconUrl: async () => (await import('./chainIcons/sanko.png')).default,
 };
 
+const superpositionIcon: IconMetadata = {
+  iconBackground: '#000000',
+  iconUrl: async () => (await import('./chainIcons/superposition.svg')).default,
+};
+
 const scrollIcon: IconMetadata = {
   iconBackground: '#FFEEDA',
   iconUrl: async () => (await import('./chainIcons/scroll.svg')).default,
@@ -306,6 +312,11 @@ const chainMetadataByName: Record<ChainName, ChainMetadata | null> = {
   scroll: { chainId: 534352, ...scrollIcon },
   scrollSepolia: { chainId: 534351, ...scrollIcon },
   sepolia: { chainId: 11_155_111, ...ethereumIcon },
+  superposition: {
+    chainId: 55244,
+    name: 'Superposition',
+    ...superpositionIcon,
+  },
   unichain: { chainId: 130, ...unichainIcon },
   unichainSepolia: { chainId: 1301, ...unichainIcon },
   xdc: { chainId: 50, name: 'XDC', ...xdcIcon },