refactor(docs): migrate documentation to Blume and restructure content

docs/content/coding/index.mdx

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+---
+title: 'Coding'
+sidebar:
+  label: Overview
+  icon: arrow-right-circle
+  order: 1
+---
+
+## Description
+
+Given two integer arrays `nums1` and `nums2`, return the minimum number of operations required to make both arrays equal.
+
+You have the following three choices to modify two arrays:

docs/content/coding/two-pointers/index.mdx

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+---
+title: 'Two Pointers'
+sidebar:
+  label: Overview
+  icon: arrow-right-circle
+  badge: Easy
+  order: 1
+---
+
+## Description
+
+Given two integer arrays `nums1` and `nums2`, return the minimum number of operations required to make both arrays equal.
+
+You have the following three choices to modify two arrays: