Added makefile with build and install commands

.gitignore

@@ -0,0 +1,2 @@
+bin
+

Makefile

@@ -0,0 +1,25 @@
+BINARY_NAME=hora
+INSTALL_DIR=~/.hora 
+all: build test
+
+build: build-cli build-plugins
+
+build-cli:
+	go build -o ./bin/${BINARY_NAME} ./cmd/hora
+
+
+build-plugins: 
+	go build -o ./bin/plugins/ ./plugins/referrerstore/ociregistry
+	go build -o ./bin/plugins/ ./plugins/verifier/nv2verifier
+	go build -o ./bin/plugins/ ./plugins/verifier/sbom
+
+install: 
+	mkdir -p ${INSTALL_DIR} 
+	cp -r ./bin ${INSTALL_DIR} 
+
+test:
+	go test -v ./cmd/hora
+
+clean:
+	go clean
+	rm ./bin/${BINARY_NAME}

README.md

@@ -27,7 +27,7 @@ go build -o ~/bin ./cmd/hora
 ```
 go build -o ~/.hora/plugins ./plugins/referrerstore/ociregistry
 go build -o ~/.hora/plugins ./plugins/verifier/nv2verifier
-go build -o ~/.hora/plugins ./plugins/sbom
+go build -o ~/.hora/plugins ./plugins/verifier/sbom
 ```
 
 - Update the ```./config/config.json``` to the certs folder and copy it to home dir