add: minilibc to the examples

examples/minilibc/strstr.pasm

@@ -0,0 +1,26 @@
+; strstr 
+
+set str1 "hello, world !\0"
+set str2 "hello\0"
+
+end_:
+mov eax, a1
+end
+
+fail:
+mov eax, 0
+end
+
+main:
+mov a1, str1 
+mov a2, str2
+mov a3, 0
+
+loop:
+cmp (char)*a2, 0
+je end_
+cmp (char)*a1, (char)*a2
+jne fail 
+add a1, 1
+add a2, 1
+jmp loop