Merge branch 'install-gcc' into 'dev'

Update readme to install gcc/cc

See merge request memri/pod!174

README.md

@@ -24,10 +24,10 @@ docker-compose up --build
 In order to build Pod locally, you need Rust and sqlcipher:
 
 * On MacOS: `brew install rust sqlcipher`
-* On ArchLinux: `pacman -S --needed rust sqlcipher`
+* On ArchLinux: `pacman -S --needed rust sqlcipher base-devel`
 * On Ubuntu and Debian:
 ```
-apt-get install libsqlcipher-dev
+apt-get install libsqlcipher-dev build-essential
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 ```
 * Submit merge requests for your other OS :)