Fastfetch: add --no-buffer option

src/data/config_user.txt

@@ -146,6 +146,12 @@
 # Default is IEC.
 #--binary-prefix IEC
 
+# Disable output buffer option:
+# Sets if the stdout application buffer should be disabled.
+# Must be true or false.
+# Default is false.
+#--no-buffer false
+
 # Title FQDN option:
 # Sets if the title should use the fully qualified domain name.
 # Must be true or false.

src/data/help.txt

@@ -62,7 +62,8 @@ Display options:
     --show-errors <?value>:      Print occurring errors
     --disable-linewrap <?value>: Whether to disable line wrap during the run
     --hide-cursor <?value>:      Whether to hide the cursor during the run
-    --binary-prefix <value>:     Set the binary prefix to used. Must be IEC, SI or JEDEC. Default is IEC.
+    --binary-prefix <value>:     Set the binary prefix to used. Must be IEC, SI or JEDEC. Default is IEC
+    --no-buffer <?value>:        Set if the stdout application buffer should be disabled. Default is false
 
 General module options:
     --<module>-format <format>: Set the format string to use for each specific module.