Fix install neovim

tforgione.sh

@@ -69,6 +69,25 @@ install() {
     error "distribution not recognized, can't install $1."
 }
 
+install_neovim() {
+    test_command apt
+    if [ $? -eq 0 ]; then
+        sudo apt install software-properties-common
+        sudo add-apt-repository ppa:neovim-ppa/stable
+        sudo apt update
+        sudo apt install neovim
+        return
+    fi
+
+    test_command pacman
+    if [ $? -eq 0 ]; then
+        sudo pacman -S neovim
+        return
+    fi
+
+    error "distribution not recognized, can't install neovim."
+}
+
 git_clone() {
     info_n "cloning $1..."
     git clone $1 $2 > /dev/null 2>&1