add CONTRIBUTING.md + update chains + add package.json exports

CONTRIBUTING.md

@@ -0,0 +1,27 @@
+# Contributing to svelte-ethers-store
+
+Thanks for your interest in improving svelte-ethers-store! We welcome
+contributions of all kinds: from discussion to documentation to
+bugfixes to feature improvements.
+
+Please review this document to help to streamline the process and save
+everyone's precious time.
+
+## Issues
+
+No software is bug-free. So, if you got an issue, follow these steps:
+
+- Search the [issue list](https://gitlab.com/clb1/svelte-ethers-store/-/issues) for current and old issues.
+  - If you find an existing issue, please UPVOTE the issue by adding a "thumbs-up reaction". We use this to help prioritize issues!
+- If none of that is helping, create an issue with the following information:
+  - Clear title (shorter is better).
+  - Describe the issue in clear language.
+  - Share error logs, screenshots and etc.
+  - To speed up the issue fixing process, send us a sample repo with the issue you faced.
+
+## Pull Requests (PRs)
+
+We welcome all contributions.
+
+You are encouraged to join the community on
+[Discord](https://discord.gg/7yXuwDwaHF) to discuss your PR:

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020-2022 Christophe Le Bars <clb@toort.netk>
+Copyright (c) 2020-2022 Christophe Le Bars <clb@toort.net>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

package.json

@@ -2,11 +2,19 @@
   "name": "svelte-ethers-store",
   "version": "0.6.3",
   "description": "Ethers.js library as a collection of stores for Svelte, Sapper or SvelteKit.",
+  "license": "MIT",
+  "repository": "gitlab:clb1/svelte-ethers-store",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
   "svelte": "src/stores.js",
-  "license": "MIT",
-  "repository": "gitlab:clb1/svelte-ethers-store",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "main": "./dist/index.js",
+      "module": "./dist/index.mjs",
+      "svelte": "./src/stores.js"
+    }
+  },
   "author": {
     "name": "Christophe Le Bars",
     "email": "<[email protected]>"

src/chains.js

@@ -3775,6 +3775,30 @@ const chains = [
       }
     ]
   },
+  {
+    name: 'UB Smart Chain(testnet)',
+    chain: 'USC',
+    network: 'testnet',
+    rpc: [ 'https://testnet.rpc.uschain.network' ],
+    faucets: [],
+    nativeCurrency: { name: 'UBC', symbol: 'UBC', decimals: 18 },
+    infoURL: 'https://www.ubchain.site',
+    shortName: 'usctest',
+    chainId: 99998,
+    networkId: 99998
+  },
+  {
+    name: 'UB Smart Chain',
+    chain: 'USC',
+    network: 'mainnet',
+    rpc: [ 'https://rpc.uschain.network' ],
+    faucets: [],
+    nativeCurrency: { name: 'UBC', symbol: 'UBC', decimals: 18 },
+    infoURL: 'https://www.ubchain.site/',
+    shortName: 'usc',
+    chainId: 99999,
+    networkId: 99999
+  },
   {
     name: 'QuarkChain Mainnet Root',
     chain: 'QuarkChain',