Added template used in gen.sh

Signed-off-by: erick-alcachofa <erick@artichoke.dev>

.gitignore

@@ -13,7 +13,7 @@
 # Unignore all dirs
 !*/
 
-**/.template/**
+**/.cache/**
 
 **/build/**
 

.template/src/impl.hpp

@@ -0,0 +1,23 @@
+/*
+ * Project Euler Solutions - Core Implementation
+ * ---------------------------------------------
+ * Problem     : {{ problem_name }}
+ * URL         : https://projecteuler.net/problem=1
+ *
+ * Author      : {{ author_name }}
+ * Created     : {{ date }}
+ *
+ * Notes:
+ * - 
+ *
+ * License     : GNU Affero General Public License v3.0 (AGPLv3)
+ *               https://www.gnu.org/licenses/agpl-3.0.html
+ */
+#pragma once
+
+#include <cstdint>
+#include <sstream>
+
+static int64_t Solve(std::stringstream) {
+  return 0;
+}

.template/src/solution.cpp

@@ -0,0 +1,40 @@
+/*
+ * Project Euler Solutions - Main Translation Unit
+ * ------------------------------------------
+ * Problem     : {{ problem_name }}
+ * URL         : https://projecteuler.net/problem=1
+ *
+ * Author      : {{ author_name }}
+ * Created     : {{ date }}
+ *
+ * Notes:
+ * - 
+ *
+ * License     : GNU Affero General Public License v3.0 (AGPLv3)
+ *               https://www.gnu.org/licenses/agpl-3.0.html
+ */
+
+#include <iostream>
+#include <print>
+#include <sstream>
+#include <string>
+
+#include "timer.hpp"
+#include "impl.hpp"
+
+int main(int, char *[]) {
+  std::ios_base::sync_with_stdio(false),
+    std::cin.tie(nullptr),
+    std::cout.tie(nullptr);
+
+  std::string input = R"(@input@)";
+
+  decltype(Solve({})) ans = {};
+
+  {
+    Timer timer;
+    ans = Solve(std::stringstream{input});
+  }
+
+  std::println("{}", ans);
+}

.template/src/test.cpp

@@ -0,0 +1,28 @@
+/*
+ * Project Euler Solutions - Test File
+ * ------------------------------------
+ * Problem     : {{ problem_name }}
+ * URL         : https://projecteuler.net/problem=1
+ *
+ * Author      : {{ author_name }}
+ * Created     : {{ date }}
+ *
+ * Notes:
+ * - 
+ *
+ * License     : GNU Affero General Public License v3.0 (AGPLv3)
+ *               https://www.gnu.org/licenses/agpl-3.0.html
+ */
+
+#include <gtest/gtest.h>
+
+#include <sstream>
+
+#include "impl.hpp"
+
+const char *input = R"(@example@)";
+
+TEST(Problem1, test) {
+  const auto ans = Solve(std::stringstream{input});
+  EXPECT_EQ(ans, 0);
+}