Add Project Euler problem 082 solution 1 (#6282)

Update DIRECTORY.md
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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: MaximSmolskiy

DIRECTORY.md

@@ -918,6 +918,8 @@
     * [Sol1](project_euler/problem_080/sol1.py)
   * Problem 081
     * [Sol1](project_euler/problem_081/sol1.py)
+  * Problem 082
+    * [Sol1](project_euler/problem_082/sol1.py)
   * Problem 085
     * [Sol1](project_euler/problem_085/sol1.py)
   * Problem 086