Added examples

examples/.gitattributes

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+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*.bat           text eol=crlf
+

examples/.gitignore

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+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build

examples/build.gradle.kts

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+plugins {
+    id("org.jetbrains.kotlin.jvm") version "1.5.0"
+    id("com.github.ben-manes.versions") version "0.38.0"
+    application
+}
+
+// ./gradlew run 
+// ./gradlew runJava"
+
+defaultTasks(ApplicationPlugin.TASK_RUN_NAME)
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    implementation("net.thauvin.erik:cryptoprice:0.9.0-SNAPSHOT")
+}
+
+application {
+    mainClassName = "com.example.CryptoPriceExampleKt"
+}
+
+tasks {
+    register<JavaExec>("runJava") {
+        group = "application"
+        main = "com.example.CryptoPriceSample"
+        classpath = sourceSets["main"].runtimeClasspath
+    }
+}

examples/settings.gradle.kts

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user manual at https://docs.gradle.org/6.5.1/userguide/multi_project_builds.html
+ */
+
+rootProject.name = "examples"

examples/src/main/java/com/example/CryptoPriceSample.java

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+package com.example;
+
+import net.thauvin.erik.crypto.CryptoPrice;
+import net.thauvin.erik.crypto.CryptoException;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class CryptoPriceSample {
+    public static void main(String[] args) {
+        try {
+            // Get current Bitcoin market price.
+            final CryptoPrice price = CryptoPrice.marketPrice("BTC");
+            System.out.println("The current Bitcoin price is " + price.getAmount() + " in " + price.getCurrency());
+
+            // Get current Bitcoin market price in Euros.
+            final CryptoPrice euroPrice = CryptoPrice.marketPrice("BTC", "EUR");
+            System.out.println("The current Bitcoin price is " + euroPrice.getAmount() + " in Euros");
+
+            // Get current Bitcoin buy price using API.
+            final CryptoPrice buyPrice =
+                    CryptoPrice.toPrice(
+                            CryptoPrice.apiCall(
+                                    List.of("prices", "BTC-USD", "buy"),
+                                    Collections.<String, String>emptyMap()
+                            )
+                    );
+            System.out.println("The current BTC buy price is " + price.getAmount() + " in " + price.getCurrency());
+
+            System.out.println();
+
+            // Get current Ethereum market price in Pound sterling.
+            final CryptoPrice gbpPrice = CryptoPrice.marketPrice("ETH", "GBP");
+            System.out.println("The current Ethereum price is " + gbpPrice.getAmount() + " in Pound sterling");
+
+        } catch (CryptoException e) {
+            System.err.println(e.getMessage());
+        }
+    }
+}

examples/src/main/kotlin/com/example/CryptoPriceExample.kt

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+package com.example
+
+import net.thauvin.erik.crypto.CryptoPrice.Companion.marketPrice
+import net.thauvin.erik.crypto.CryptoPrice.Companion.apiCall
+import net.thauvin.erik.crypto.CryptoPrice.Companion.toPrice
+
+fun main(@Suppress("UNUSED_PARAMETER") args: Array<String>) {
+    // Get current Bitcoin market price.
+    var price = marketPrice("BTC")
+    println("The current Bitcoin price is ${price.amount} in ${price.currency}")
+
+    // Get current Bitcoin market price in Euro.
+    var euroPrice = marketPrice("BTC", "EUR")
+    println("The current Bitcoin price is ${euroPrice.amount} in Euros")
+
+    // Get current Bitcoin buy price using API.
+    var buyPrice = apiCall(listOf("prices", "BTC-USD", "buy"), emptyMap()).toPrice()
+    println("The current BTC buy price is ${buyPrice.amount} in ${buyPrice.currency}")
+
+    println()
+
+    // Get current Ethereum market price in Pound sterling.
+    var gbpPrice = marketPrice("ETH", "GBP")
+    println("The current Ehtereum price is ${gbpPrice.amount} in Pound sterling")
+}