Coins Improvements (#140)

* chore: improved README and export parseCoins and Coin type

* fix: README

* chore: increase version

common/coins/README.md

@@ -16,21 +16,53 @@ npm i @kyvejs/coins
 
 Here are some examples on how to use the coins sdk:
 
+Arithmetic methods:
+
 ```ts
-const coinsA = new Coins({"denom": "acoin", amount: "10"}, {"denom": "bcoin", amount: "20"})
-const coinsB = new Coins("30ccoin")
+new Coins("1acoin,2bcoin").add({denom: "ccoin", amount: "3"}).mul(2).toString()
+-> "2acoin,4bcoin,6ccoin"
+
+new Coins("1acoin,2bcoin,4ccoin").sub("1acoin").div(2).toArray()
+-> [{denom: "bcoin", amount: "1"}, {denom: "ccoin", amount: "2"}]
+```
+
+Checks and info methods:
 
-coinsA.add(coinsB).quo(10).toString()
--> "1acoin,2bcoin,3ccoin"
+```ts
+const myCoins = new Coins("1acoin,2bcoin")
 
-coinsA.equal(coinsB)
+myCoins.isZero()
 -> false
 
-coinsA.max(coinsB).toArray()
--> [{"denom": "acoin", amount: "10"}, {"denom": "bcoin", amount: "20"}, {"denom": "ccoin", amount: "30"}]
+myCoins.len()
+-> 2
+
+myCoins.equal("1acoin,2bcoin")
+-> true
+
+myCoins.amountOf("bcoin")
+-> "2"
+
+myCoins.min("1bcoin,1ccoin").toString()
+-> "1bcoin"
+
+myCoins.max("1bcoin,1ccoin").toString()
+-> "1acoin,2bcoin,1ccoin"
+```
+
+Comparison methods:
+
+```ts
+const myCoins = new Coins({denom: "bcoin", amount: "1"}, {denom: "ccoin", amount: "2"})
+
+new Coins("1acoin,2bcoin,3ccoin").isAllGT(myCoins)
+-> true
+
+new Coins("2bcoin,1ccoin").isAnyLT(myCoins)
+-> true
 ```
 
-## Available methods
+## All available methods
 
 The following methods are available on the Coins class:
 

common/coins/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@kyvejs/coins",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "files": [

common/coins/src/index.ts

@@ -585,3 +585,5 @@ export class Coins {
       .join(",");
   }
 }
+
+export { parseCoins, Coin } from "@cosmjs/amino";