refactor: add random string alias to .bashrc and update flake.lock and vscode settings

.bashrc

@@ -43,6 +43,9 @@ alias gcb='git checkout -b'
 # netstat port in use check
 alias port='netstat -atupn | grep LISTEN'
 
+# random string (Syntax: random <length>)
+alias random='openssl rand -base64'
+
 # Alias for ls to l but only if it's an interactive shell because we don't want to override ls in scripts which could blow up in our face
 if [ -t 1 ]; then
     alias ls='l'