Update all new Tasks

Task/ABC-Problem/Groovy/abc-problem-1.groovy

@@ -0,0 +1,12 @@
+class ABCSolver {
+    def blocks
+
+    ABCSolver(blocks = []) { this.blocks = blocks }
+
+    boolean canMakeWord(rawWord) {
+        if (rawWord == '' || rawWord == null) { return true; }
+        def word = rawWord.toUpperCase()
+        def blocksLeft = [] + blocks
+        word.every { letter -> blocksLeft.remove(blocksLeft.find { block -> block.contains(letter) }) }
+    }
+}

Task/ABC-Problem/Groovy/abc-problem-2.groovy

@@ -0,0 +1,6 @@
+def a = new ABCSolver(["BO", "XK", "DQ", "CP", "NA", "GT", "RE", "TG", "QD", "FS",
+                      "JW", "HU", "VI", "AN", "OB", "ER", "FS", "LY", "PC", "ZM"])
+
+['', 'A', 'BARK', 'book', 'treat', 'COMMON', 'SQuAd', 'CONFUSE'].each {
+    println "'${it}': ${a.canMakeWord(it)}"
+}