Base: Describe kernel modules, syscalls, and programs

Author: https://github.com/deoxxa
Commit: 033de7efe2
Pull-request: https://github.com/SerenityOS/serenity/pull/908
Reviewed-by: https://github.com/bugaevc

Base/usr/share/man/man1/modunload.md

@@ -0,0 +1,25 @@
+## Name
+
+modunload - unload a kernel module
+
+## Synopsis
+
+```**sh
+$ modunload <name>
+```
+
+## Description
+
+Unload a kernel module specified by *name*.
+
+## Examples
+
+```sh
+$ modunload TestModule
+```
+
+## See also
+
+* [`modload`(1)](modload.md)
+* [`module_unload`(2)](../man2/module_unload.md)
+* [`kernel_modules`(7)](../man7/kernel_modules.md)