docs: fix projection curl commands (#1298)

[pedro2555]

Descrition

curl commands for the projection feature docs are incorrect, this merge request updates them.

Closes #1298

Output

The output of both commands on the public demo api.

$ curl -i -G http://eve-demo.herokuapp.com/people --data-urlencode 'projection={"lastname": 1, "born": 1}'
HTTP/1.1 200 OK
Content-Type: application/json
Content-Length: 2364
X-Total-Count: 7
Cache-Control: max-age=20
Expires: Mon, 16 Sep 2019 14:33:23 GMT
Last-Modified: Fri, 13 Sep 2019 08:34:26 GMT
Server: Eve/0.8 Werkzeug/0.14.1 Python/3.6.5
Date: Mon, 16 Sep 2019 14:33:03 GMT
X-Cache: MISS from w4m-mmm-almada-1
X-Cache-Lookup: HIT from w4m-mmm-almada-1:0
Via: 1.1 vegur, 1.1 w4m-mmm-almada-1 (squid/3.5.12)
Connection: keep-alive

{"_items": [{"_id": "5d70994dec8f9500043e5fe3", "lastname": "Red", "born": "Sun, 20 Jul 1980 11:00:00 GMT", "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "4cf5236b47951a074d9d526ba216bb6cfc57bc32", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe3"}}}, {"_id": "5d70994dec8f9500043e5fe4", "lastname": "White", "born": "Fri, 25 Sep 1970 10:00:00 GMT", "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "9050d049a2d90c13f33516f47baae53d6c9f77be", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe4"}}}, {"_id": "5d7b5492fa78500004da6e92", "lastname": "clinton", "_updated": "Fri, 13 Sep 2019 08:34:26 GMT", "_created": "Fri, 13 Sep 2019 08:34:26 GMT", "_etag": "cbac8162f6843a450c6e9eefc378ba6a03594069", "_links": {"self": {"title": "person", "href": "people/5d7b5492fa78500004da6e92"}}}, {"_id": "5d7b5492fa78500004da6e93", "lastname": "romney", "_updated": "Fri, 13 Sep 2019 08:34:26 GMT", "_created": "Fri, 13 Sep 2019 08:34:26 GMT", "_etag": "f1c2baba8f0eec777384547d9113643117287c07", "_links": {"self": {"title": "person", "href": "people/5d7b5492fa78500004da6e93"}}}, {"_id": "5d70994dec8f9500043e5fe0", "lastname": "Doe", "born": "Thu, 27 Aug 1970 14:37:13 GMT", "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "dc5c0ba4282ce1406235f4bfb198e7f8c4b5a433", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe0"}}}, {"_id": "5d70994dec8f9500043e5fe1", "lastname": "Love", "born": "Wed, 25 Feb 1987 17:00:00 GMT", "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "8d7bcd0d69af16c499d6bcf7542efcc7f654aab8", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe1"}}}, {"_id": "5d70994dec8f9500043e5fe2", "lastname": "Green", "born": "Sat, 23 Feb 1985 12:00:00 GMT", "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "72e86f0b96ad492c49a8eef3dbb527aac3409e3f", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe2"}}}], "_links": {"parent": {"title": "home", "href": "/"}, "self": {"title": "people", "href": "people"}}, "_meta": {"page": 1, "max_results": 25, "total": 7}}

$ curl -i -G http://eve-demo.herokuapp.com/people --data-urlencode 'projection={"born": 0}'
HTTP/1.1 200 OK
Content-Type: application/json
Content-Length: 2761
X-Total-Count: 7
Cache-Control: max-age=20
Expires: Mon, 16 Sep 2019 14:34:29 GMT
Last-Modified: Fri, 13 Sep 2019 08:34:26 GMT
Server: Eve/0.8 Werkzeug/0.14.1 Python/3.6.5
Date: Mon, 16 Sep 2019 14:34:09 GMT
X-Cache: MISS from w4m-mmm-almada-1
X-Cache-Lookup: HIT from w4m-mmm-almada-1:0
Via: 1.1 vegur, 1.1 w4m-mmm-almada-1 (squid/3.5.12)
Connection: keep-alive

{"_items": [{"_id": "5d70994dec8f9500043e5fe3", "firstname": "Julia", "lastname": "Red", "role": ["copy"], "location": {"address": "98 Yatch Road", "city": "San Francisco"}, "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "4cf5236b47951a074d9d526ba216bb6cfc57bc32", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe3"}}}, {"_id": "5d70994dec8f9500043e5fe4", "firstname": "Anne", "lastname": "White", "role": ["contributor", "copy"], "location": {"address": "32 Joseph Street", "city": "Ashfield"}, "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "9050d049a2d90c13f33516f47baae53d6c9f77be", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe4"}}}, {"_id": "5d7b5492fa78500004da6e92", "firstname": "bill", "lastname": "clinton", "_updated": "Fri, 13 Sep 2019 08:34:26 GMT", "_created": "Fri, 13 Sep 2019 08:34:26 GMT", "_etag": "cbac8162f6843a450c6e9eefc378ba6a03594069", "_links": {"self": {"title": "person", "href": "people/5d7b5492fa78500004da6e92"}}}, {"_id": "5d7b5492fa78500004da6e93", "firstname": "mitt", "lastname": "romney", "_updated": "Fri, 13 Sep 2019 08:34:26 GMT", "_created": "Fri, 13 Sep 2019 08:34:26 GMT", "_etag": "f1c2baba8f0eec777384547d9113643117287c07", "_links": {"self": {"title": "person", "href": "people/5d7b5492fa78500004da6e93"}}}, {"_id": "5d70994dec8f9500043e5fe0", "firstname": "John", "lastname": "Doe", "role": ["author"], "location": {"address": "422 South Gay Street", "city": "Auburn"}, "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "dc5c0ba4282ce1406235f4bfb198e7f8c4b5a433", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe0"}}}, {"_id": "5d70994dec8f9500043e5fe1", "firstname": "Serena", "lastname": "Love", "role": ["author"], "location": {"address": "363 Brannan St", "city": "San Francisco"}, "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "8d7bcd0d69af16c499d6bcf7542efcc7f654aab8", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe1"}}}, {"_id": "5d70994dec8f9500043e5fe2", "firstname": "Mark", "lastname": "Green", "role": ["copy", "author"], "location": {"address": "4925 Lacross Road", "city": "New York"}, "_updated": "Thu, 05 Sep 2019 05:12:45 GMT", "_created": "Thu, 05 Sep 2019 05:12:45 GMT", "_etag": "72e86f0b96ad492c49a8eef3dbb527aac3409e3f", "_links": {"self": {"title": "person", "href": "people/5d70994dec8f9500043e5fe2"}}}], "_links": {"parent": {"title": "home", "href": "/"}, "self": {"title": "people", "href": "people"}}, "_meta": {"page": 1, "max_results": 25, "total": 7}}

[nicolaiarocci]

thanks!