First commit, only with CLI tools

doc/how_works.md

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+# Very-Fast instructions
+You have to create a cook
+In "Examples" you have Cook Examples
+
+Then, you have to create a group using the CLI.
+In the groups is where you assign computers and cooks
+
+Cooks -> Group
+Computers -> Group
+
+You can have more than 1 cook in a group
+
+You can call the groups equal to cooks and assign this cook to the group and you have a 1<->1