feat: solve day 7 part 1 and part 2

07/BridgeRepair/StringExtensions.cs

@@ -0,0 +1,14 @@
+namespace BridgeRepair;
+
+static class StringExtensions
+{
+  public static Equation ToEquation(this string line)
+  {
+    var parts = line.Split(':');
+    var testValue = long.Parse(parts[0]);
+    var numbers = parts[1].Split(" ", StringSplitOptions.RemoveEmptyEntries)
+      .Select(long.Parse)
+      .ToList();
+    return new(testValue, numbers);
+  }
+}