add make files

makefile

+rust = didcomm-rust/
+rust_release = $(rust)/target/release/
+
+all: build test
+
+build: build-rust build-go
+
+build-rust:
+	cd $(rust) && cargo build --release
+	cp $(rust_release)libdidcomm.* lib
+	# this pulls out ELF symbols, 80% size reduction!
+	# TODO: strip lib/libgo_rust_demo.*
+
+build-go:
+	go build .
+
+test:
\ No newline at end of file