match the coreutils style

src/uu/lscpu/lscpu.md

@@ -0,0 +1,7 @@
+# lscpu
+
+```
+lscpu [OPTION]...
+```
+
+display information about the CPU architecture

src/uu/lscpu/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_lscpu);

src/uu/mountpoint/mountpoint.md

@@ -0,0 +1,9 @@
+# mountpoint
+
+```
+mountpoint [-d|-q] directory|file
+
+mountpoint -x device
+```
+
+See if a directory or file is a mountpoint

src/uu/mountpoint/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_mountpoint);

src/uu/pwdx/pwdx.md

@@ -0,0 +1,7 @@
+# pwdx
+
+```
+pwdx [options] pid [...]
+```
+
+Report current working directory of a process

src/uu/pwdx/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_pwdx);

src/uu/renice/renice.md

@@ -0,0 +1,7 @@
+# renice
+
+```
+renice [--priority|--relative] priority [-g|-p|-u] identifier...
+```
+
+Alter priority of running processes

src/uu/renice/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_renice);