Update memory icon (#15)

Makes memory icon bigger by using CPU icon from Nerdfonts instead of the memory icon.

Author: SomeEmptyBox

src/main.rs

@@ -78,7 +78,7 @@ fn print_system_info(fields: &Fields) {
     {blue}     ▟█▛       {blue}▝█▘{cyan}▟█▛        {cyan}  {blue}Shell{reset}         {shell}
     {blue}▟█████▛          {cyan}▟█████▛     {cyan}  {blue}Uptime{reset}        {uptime}
     {blue}   ▟█▛{cyan}▗█▖       {cyan}▟█▛          {cyan}  {blue}Desktop{reset}       {desktop}
-    {blue}  ▝█▛  {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄       {cyan}󰍛  {blue}Memory{reset}        {memory_usage}
+    {blue}  ▝█▛  {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄       {cyan}  {blue}Memory{reset}        {memory_usage}
     {blue}   ▝  {cyan}▟█▜█▖{blue}▀▀▀▀▀██▛▀▀▘       {cyan}󱥎  {blue}Storage (/){reset}   {storage}
     {cyan}     ▟█▘ ▜█▖    {blue}▝█▛          {cyan}  {blue}Colors{reset}        {colors}");