Add tips

docs/big-data-flink.md

@@ -325,6 +325,8 @@ curl -X GET \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 [
     {

docs/big-data-spark.md

@@ -310,6 +310,8 @@ curl -X GET \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 [
     {

docs/concise.md

@@ -470,6 +470,8 @@ curl -G -iX GET 'http://localhost:1026/ngsi-ld/v1/entities/urn:ngsi-ld:Temperatu
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 TemperatureSensor `urn:ngsi-ld:TemperatureSensor:001` is returned as _concise_ NGSI-LD. Additional metadata is returned
 because `options=sysAttrs`. By default the `@context` is returned in the payload body (although this could be moved due
 to content negotiation if the `Accept:application/json` had been set). The full response is shown below:

docs/entity-relationships.md

@@ -232,6 +232,8 @@ curl -X GET 'http://localhost:1026/ngsi-ld/v1/entities/?type=TemperatureSensor,F
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 [
     {

docs/identity-management.md

@@ -313,6 +313,8 @@ curl -iX POST \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 The response header returns an `X-Subject-token` which identifies who has logged on the application. This token is
 required in all subsequent requests to gain access.
 

docs/index.md

@@ -121,6 +121,11 @@ the concept of a project object model (POM), Maven can manage a project's build,
 central piece of information. Maven can be used to define and download our dependencies and to build and package Java or
 Scala code into a JAR file.
 
+### JQ <img src="https://jqlang.github.io/jq/jq.png" align="left"  height="30" width="30" style="border-right-style:solid; border-right-width:10px; border-color:transparent; background: transparent">
+
+[jq](https://jqlang.github.io/jq/) is a lightweight and flexible command-line JSON processor which can be used
+to format the JSON responses received from the context broker and other FIWARE components. More information about how to use jq can be found [here](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq)
+
 ## Data models
 
 The tutorials define a series of data-models to be used within the `@context`. More information about the classes and

docs/iot-agent-json.md

@@ -613,6 +613,8 @@ curl -G -iX GET 'http://localhost:1026/ngsi-ld/v1/entities/urn:ngsi-ld:Device:te
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 {
     "@context": "http://context/ngsi-context.jsonld",

docs/iot-agent.md

@@ -602,6 +602,8 @@ curl -G -iX GET 'http://localhost:1026/ngsi-ld/v1/entities/urn:ngsi-ld:Device:te
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 {
     "@context": "http://context/ngsi-context.jsonld",

docs/merge-patch.md

@@ -329,6 +329,8 @@ the entities have changed after each operation.
 
 #### 5 Request:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```console
 curl -L -X GET \
   'http://localhost:1026/ngsi-ld/v1/entities/urn:ngsi-ld:City:001' \

docs/ngsi-ld-operations.md

@@ -413,6 +413,8 @@ curl -G -iX GET 'http://localhost:1026/ngsi-ld/v1/entities/urn:ngsi-ld:Temperatu
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 TemperatureSensor `urn:ngsi-ld:TemperatureSensor:001` is returned as _normalized_ NGSI-LD. Additional metadata is
 returned because `options=sysAttrs`. By default, the `@context` is returned in the payload body (although this could be
 moved due to content negotiation if the `Accept:application/json` had been set). The full response is shown below:

docs/roles-permissions.md

@@ -361,6 +361,8 @@ curl -iX POST \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```text
 HTTP/1.1 201 Created
 X-Subject-Token: d848eb12-889f-433b-9811-6a4fbf0b86ca

docs/short-term-history.md

@@ -218,6 +218,8 @@ curl -L -X GET \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 The response will look similar to the following:
 
 ```json

docs/time-series-data.md

@@ -312,6 +312,8 @@ curl -X GET \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 ```json
 [
     {

docs/working-with-@context.md

@@ -258,6 +258,8 @@ curl -X GET \
 
 #### Response:
 
+> **Tip:** Use[jq](https://www.digitalocean.com/community/tutorials/how-to-transform-json-data-with-jq) to format the JSON responses in this tutorial
+
 The response will look similar to the following:
 
 ```json