[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: #238

tools/cpm-hash.sh

@@ -1,7 +1,4 @@
 #!/bin/sh
 
-for i in $@; do
-    SUM=`wget -q $i -O - | sha512sum`
-    echo "$i"
-    echo "URL_HASH SHA512=$SUM" | cut -d " " -f1-2
-done
+SUM=`wget -q https://github.com/$1/archive/$2.zip -O - | sha512sum`
+echo "$SUM" | cut -d " " -f1