INitial commit of CAC code

docs/Commands/thermo.md

@@ -0,0 +1,22 @@
+# thermo
+
+```sh
+thermo step
+```
+
+## Inputs
+
+`step` - Output every `step` steps.
+
+## Examples
+
+```
+thermo 50
+```
+
+## Descriptions
+
+Currently the thermo output is fixed. 
+For energy minimization, the thermo output contains only the energy and second norm of the global force vector.
+For dynamics, the thermo output also contains the kinetic energy and the temperature.
+