Added another example: Prime numbers search

Author: nb-programmer

README.md

@@ -137,6 +137,31 @@ while val < 10 then
 end
 ```
 
+### Print all primes in a sequence (till stopped)
+
+```basic
+print(2)
+
+i = 3
+
+while true then
+    p_sub = 2
+    is_prime = true
+    while p_sub < i then
+        if (i % p_sub) = 0 then
+            is_prime = false
+        end
+        p_sub = p_sub + 1
+    end
+
+    if is_prime then
+    	print(i)
+    end
+
+    i = i + 2
+end
+```
+
 ## TODO
 
 Some features I would like to implement in this project: