feat: more examples from chapter 7

Author: damianobacci

chapter-7/10_password_cracker.rb

@@ -0,0 +1,5 @@
+def every_password(n)
+    (('a' * n)...('z' * n)).each do |str|
+        puts str
+    end
+end

chapter-7/8_get_all_products.ts

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+function twoNumberProduct(array: number[]): number[] {
+    let products: number[] = []
+    for (let i = 0; i < array.length - 1; i++) {
+        for (let j = i + 1; j < array.length; j++) {
+            products.push(array[i] * array[j])
+        }
+    }
+    return products
+}

chapter-7/9_multiple_datasets.ts

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+function twoNumberProductArr(array1: number[], array2: number[]): number[] {
+    let products: number[] = []
+    for (let i = 0; i < array1.length; i++) {
+        for (let j = 0; j < array2.length; j++) {
+            products.push(array1[i] * array2[j])
+        }
+    }
+    return products
+}