[cmake, frontend] feat: CPMUtil + dependency viewer (#238)

- creates a CPMUtil.cmake module that makes my job 10x easier and removes boilerplate
- also lets us generate dependency names/versions at compiletime, thus letting the frontend display each dependency's versions.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/238

src/dep_hashes.h.in

@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+namespace Common {
+
+static const constexpr std::array<const char *, @DEPS_LENGTH@> dep_names = {
+@DEP_NAMES@
+};
+
+static const constexpr std::array<const char *, @DEPS_LENGTH@> dep_hashes = {
+@DEP_SHAS@
+};
+
+static const constexpr std::array<const char *, @DEPS_LENGTH@> dep_urls = {
+@DEP_URLS@
+};
+
+} // namespace Common