Add project files.

Core.Blueprint.Storage/Adapters/Trie/TrieNode.cs

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+
+namespace Core.Blueprint.Storage
+{
+    public class TrieNode
+    {
+        public Dictionary<char, TrieNode> Children { get; private set; }
+        public bool IsEndOfWord { get; set; }
+
+        public TrieNode()
+        {
+            Children = [];
+            IsEndOfWord = false;
+        }
+    }
+    public class Trie
+    {
+        private readonly TrieNode _root;
+
+        public Trie()
+        {
+            _root = new TrieNode();
+        }
+
+        public void Insert(string word)
+        {
+            var node = _root;
+            foreach (var ch in word)
+            {
+                if (!node.Children.ContainsKey(ch))
+                {
+                    node.Children[ch] = new TrieNode();
+                }
+                node = node.Children[ch];
+            }
+            node.IsEndOfWord = true;
+        }
+
+        public List<string> SearchByPrefix(string? prefix)
+        {
+            var results = new List<string>();
+            var node = _root;
+            foreach (var ch in prefix)
+            {
+                if (!node.Children.ContainsKey(ch))
+                {
+                    return results;
+                }
+                node = node.Children[ch];
+            }
+            SearchByPrefixHelper(node, prefix, results);
+            return results;
+        }
+
+        private void SearchByPrefixHelper(TrieNode node, string currentPrefix, List<string> results)
+        {
+            if (node.IsEndOfWord)
+            {
+                results.Add(currentPrefix);
+            }
+            foreach (var kvp in node.Children)
+            {
+                SearchByPrefixHelper(kvp.Value, currentPrefix + kvp.Key, results);
+            }
+        }
+    }
+}