neofetch: add page (#2147)

pages/common/neofetch.md

@@ -0,0 +1,19 @@
+# neofetch
+
+> CLI tool to display information about your operating system, software and hardware.
+
+- Return the default config, and create it if it's the first time the program runs:
+
+`neofetch`
+
+- Trigger an info line from appearing in the output, where 'infoname' is the function name in the config file, e.g. memory:
+
+`neofetch --{{enable|disable}} {{infoname}}`
+
+- Hide/Show OS architecture:
+
+`neofetch --os_arch {{on|off}}`
+
+- Enable/Disable CPU brand in output:
+
+`neofetch --cpu_brand {{on|off}}`