Add basic Salesforce client examples

Author: cweems

salesforce/get_messages.md

@@ -0,0 +1,32 @@
+```
+TwilioApiClient client = new TwilioApiClient();
+client.addUrlPart('Accounts');
+client.addUrlPart('AC91c6dc4cca313b7a23b1b36b4a37e89c');
+client.addUrlPart('Messages');
+client.addUrlPart('.json');
+
+
+TwilioApiClientResponse response = client.doGet();
+
+//Get Pagination Next URL
+String nextPage  = response.getTwilioJsonParser().get('next_page_uri').getString();
+client.setNextUrl(nextPage);
+
+//Validate that the url wasn't null
+if(client.hasNextPage()){
+
+    //Call get Next
+    response = client.doGetNext();
+
+    //Get Pagination Previous URL
+    String previousPage = response.getTwilioJsonParser().get('previous_page_uri').getString();
+    client.setPreviousUrl(previousPage);    
+
+    //Validate url wasn't null
+    if(client.hasPreviousPage()){
+        //Call get Previous
+        response = client.doGetPrevious();
+        system.debug(response.getTwilioJsonParser().get('uri').getString());
+    }
+}
+```

salesforce/outbound_sms.md

@@ -0,0 +1,19 @@
+```
+//Post Example
+TwilioApiClient api = new TwilioApiClient();
+api.addUrlPart('Accounts');
+api.addUrlPart('AC91c6dc4cca313b7a23b1b36b4a37e89c');
+api.addUrlPart('Messages.json');
+
+api.addParam('To','7152520504');
+api.addParam('From','7159727069');
+api.addParam('Body','Here is my message');
+TwilioApiClientResponse response = api.doPost();
+
+//Example with key value pairs
+String sid = response.getTwilioJsonParser().get('sid').getString();
+Integer totalSegments = response.getTwilioJsonParser().get('num_segments').getInteger();
+
+//Example a key with object
+String media = response.getTwilioJsonParser().get('subresource_uris').get('media').getString();
+```