sim-applet: start with hello-stk

Import source from here: https://git.osmocom.org/sim/hello-stk
diff --git a/sim-applet/Makefile b/sim-applet/Makefile
new file mode 100644
index 0000000..8942300
--- /dev/null
+++ b/sim-applet/Makefile
@@ -0,0 +1,12 @@
+SIMTOOLS_DIR    = ../sim-tools
+
+APPLET_AID      = 0xd0:0x70:0x02:0xca:0x44:0x90:0x01:0x01
+APPLET_NAME     = org.toorcamp.HelloSTK.HelloSTK
+PACKAGE_AID     = 0xd0:0x70:0x02:0xCA:0x44:0x90:0x01
+PACKAGE_NAME    = org.toorcamp.HelloSTK
+PACKAGE_VERSION = 1.0
+
+SOURCES = \
+	src/org/toorcamp/HelloSTK/HelloSTK.java
+
+include $(SIMTOOLS_DIR)/javacard/makefiles/applet-project.mk