added post-install.txt

dechef/helloworld-bundle/1.0.7/post-install.txt

@@ -0,0 +1,5 @@
+<bg=blue;fg=white>              </>
+<bg=blue;fg=white> juweliere/api-request-counter-bundle </>
+<bg=blue;fg=white>              </>
+
+  * <fg=blue>Update</> newly added vars in  <comment>.env</comment>