added apollo and graphql code

apollo-client.md

@@ -0,0 +1,74 @@
+```js
+import gql from "graphql-tag";
+import { ApolloClient } from "apollo-client";
+import { ApolloProvider, Query } from "react-apollo";
+import { InMemoryCache } from "apollo-cache-inmemory";
+import Phoenix from "phoenix";
+import Web3 from "web3";
+import { makeExecutableSchema } from "graphql-tools";
+import PhoenixRxLink from "./phoenix-rx-link";
+
+const MY_QUERY = gql`
+  query {
+    escrows {
+      escrowId
+    }
+  }
+`;
+
+ const eventSyncer = new Phoenix(web3.currentProvider);
+
+      await eventSyncer.init();
+
+      const typeDefs = `
+          type Escrow {
+            buyer: String!
+            seller: String!
+            escrowId: Int!
+          }
+          type Query {
+            escrows: Escrow!
+          }
+        `;
+
+      const resolvers = {
+        Query: {
+          escrows: () => {
+            return eventSyncer.trackEvent(this.EscrowContract, "Created", {
+              filter: { buyer: accounts[0] },
+              fromBlock: 1
+            });
+          }
+        }
+      };
+
+      const schema = makeExecutableSchema({
+        typeDefs,
+        resolvers
+      });
+
+      const client = new ApolloClient({
+        // If addTypename:true, the query will fail due to __typename
+        // being added to the schema. reactive-graphql does not
+        // support __typename at this moment.
+        cache: new InMemoryCache({ addTypename: false }),
+        link: PhoenixRxLink(schema)
+      });
+
+      this.setState({ client });
+
+      <ApolloProvider client={this.state.client}>
+        <Query query={MY_QUERY}>
+          {({ loading, error, data }) => {
+            if (loading) return <div>Loading...</div>;
+            if (error) {
+              console.error(error);
+              return <div>Error :(</div>;
+            }
+            return (
+              <p>The data returned by the query: {JSON.stringify(data)}</p>
+            );
+          }}
+        </Query>
+      </ApolloProvider>
+```

graphql.md

@@ -1 +1,47 @@
 # Reactive GraphQL
+```js
+import { makeExecutableSchema } from "graphql-tools";
+import gql from "graphql-tag";
+import {graphql} from "reactive-graphql";
+
+      const typeDefs = `
+        type Escrow {
+          buyer: String!
+          seller: String!
+          escrowId: Int!
+        }
+        type Query {
+          escrows: Escrow!
+        }
+      `;
+
+      const resolvers = {
+        Query: {
+          escrows: () => {
+            return eventSyncer.trackEvent(this.EscrowContract, 'Created', { filter: { buyer: accounts[0] }, fromBlock: 1 })
+          }
+        }
+      };
+
+      
+      
+const schema = makeExecutableSchema({
+  typeDefs,
+  resolvers
+});
+
+const query = gql`
+  query {
+    escrows {
+      buyer
+      seller
+      escrowId
+    }
+  }
+`;
+
+const stream = graphql(schema, query).pipe(pluck("data", "escrows"));
+this.setState({
+  escrow: stream
+});
+```