docs: examples section on README.md

README.md

@@ -8,3 +8,37 @@ Run the project's tests:
 ```
 clojure -T:build test
 ```
+
+## Examples
+
+There are literals (variables), strings and integers and every list will be executed as a function call by default.
+
+```clj
+(print "string" 123)
+```
+
+You can declare variables using the "def" clause, here we define "foo" as the string "bar".
+
+```clj
+(def foo "bar")
+```
+
+We can run multiple statements using the "do" clause.
+
+```clj
+(do (def foo "bar") (print foo))
+```
+
+The "fn" clause can declare callables, the second element of the fn will not be executed as code. These literals will be considered just binders to the values that will be received by the call.
+
+```clj
+((fn (a b) (+ a b)) 1 2)
+```
+
+This callable can be stored on a variable declaration to be called later.
+
+```clj
+(do (def example (fn (a b) (+ a b))) (print (example 1 2)))
+```
+
+There are a bunch of examples of valid code on the [tests](./test/bronen/kekwisp_test.clj).