Add "fork me" ribbon

README.md

@@ -69,7 +69,7 @@ go get github.com/mccutchen/go-httpbin/...
 ```
 
 
-## Inspiration & prior art
+## Motivation & prior art
 
 I've been a longtime user of [Kenneith Reitz][kr]'s original
 [httpbin.org][httpbin-org], and wanted to write a golang port for fun and to
@@ -82,13 +82,13 @@ available for testing golang applications.
 
 ### Known differences from other httpbin versions
 
-**Compared to [the original][httpbin-org]**:
+Compared to [the original][httpbin-org]:
  - No `/brotli` endpoint (due to lack of support in Go's stdlib)
  - Response values which may be encoded as either a string or a list of strings
    will always be encoded as a list of strings (e.g. request headers, query
    params, form values)
 
-**Compared to [ahmetb/go-httpbin][ahmet]**:
+Compared to [ahmetb/go-httpbin][ahmet]:
  - No dependencies on 3rd party packages
  - More complete implementation of endpoints
 

static/index.html

@@ -199,6 +199,7 @@ Content-Length: 135
 
 </div>
 
+<a href="https://github.com/mccutchen/go-httpbin"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
 
 </body>
 </html>