adding docs scripts to package.json

packages/go-kosu/package.json

@@ -7,10 +7,14 @@
     "license": "MIT",
     "scripts": {
         "build": "yarn abigen && make",
-        "abigen": "jq '.compilerOutput.abi' node_modules/@kosu/system-contracts/generated-artifacts/EventEmitter.json |  abigen --abi - --pkg witness --type EventEmitter -out witness/event_emitter.go"
+        "abigen": "jq '.compilerOutput.abi' node_modules/@kosu/system-contracts/generated-artifacts/EventEmitter.json |  abigen --abi - --pkg witness --type EventEmitter -out witness/event_emitter.go",
+        "docs": "yarn docs:clean && yarn docs:setup && yarn docs:rpc",
+        "docs:clean": "rm -rf ./docs/",
+        "docs:setup": "mkdir -p ./docs",
+        "docs:rpc": "make -s rpcdocs > docs/kosu_rpc.md"
     },
     "config": {},
     "dependencies": {
-        "@kosu/system-contracts": "^0.1.1"
+        "@kosu/system-contracts": "^0.1.5"
     }
-}
+}