ADD: First implementation of find_or_try_insert_with. #13

	name: build-and-test
	on:
	push
	jobs:
	build:
	runs-on: ubuntu-latest
	container: gcc:14
	steps:
	- uses: actions/checkout@v4

	- name: Install Doctest
	run: \|
	apt update -y
	apt install -y doctest-dev

	- name: Build
	run: \|
	mkdir build
	cd build
	g++ -std=c++20 -Wall -Wextra -Wconversion -Werror -I../include ../tests/memo_cache.cpp -o memo_cache

	- name: Test
	run: \|
	cd build
	./memo_cache -s

Provide feedback