images: Added few more images and updated corresponding header files

Signed-off-by: sisinty sasmita patra <sisinty.s.patra@intel.com>

src/apds9002/apds9002.h

@@ -47,6 +47,7 @@ namespace upm {
    * This sensor transforms luminous intensity to output analog values.
    * It uses the APDS-9002 ambient light sensor.
    *
+   * @image html apds9002.jpg
    * @snippet apds9002.cxx Interesting
    */
    

src/at42qt1070/at42qt1070.h

@@ -56,6 +56,7 @@ namespace upm {
    *
    * It was developed using the Grove Q Touch Sensor board.
    *
+   * @image html at42qt1070.jpg
    * @snippet at42qt1070.cxx Interesting
    */
   class AT42QT1070 {

src/grove/grove.h

@@ -60,6 +60,7 @@ class Grove {
  * @ingroup grove gpio
  * @snippet groveled.cxx Interesting
  * @snippet groveled-multi.cxx Interesting
+ * @image html groveled.jpg
  */
 class GroveLed: public Grove {
     public:
@@ -111,6 +112,7 @@ class GroveLed: public Grove {
  *
  * @ingroup grove gpio
  * @snippet groverelay.cxx Interesting
+ * @image html groverelay.jpg
  */
 class GroveRelay: public Grove {
     public:
@@ -161,6 +163,7 @@ class GroveRelay: public Grove {
  *
  * @ingroup grove analog
  * @snippet grovetemp.cxx Interesting
+ * @image html grovetemp.jpg
  */
 class GroveTemp: public Grove {
     public:
@@ -201,6 +204,7 @@ class GroveTemp: public Grove {
  *
  * @ingroup grove analog
  * @snippet grovelight.cxx Interesting
+ * @image html grovelight.jpg
  */
 class GroveLight: public Grove {
     public:
@@ -348,6 +352,7 @@ class GroveSlide: public Grove {
  *
  * @ingroup grove gpio
  * @snippet grovebutton.cxx Interesting
+ * @image html grovebutton.jpg
  */
 class GroveButton: public Grove {
     public:

src/grove/grovebutton.h

@@ -36,6 +36,6 @@
  * @brief API for Grove Button
  *
  * Very basic UPM module for Grove button
- *
+ * @image html grovebutton.jpg
  * @snippet grovebutton.cxx Interesting
  */

src/grove/groveled.h

@@ -41,6 +41,7 @@
  * negative seat (cathode).  The flat side of the bulb corresponds
  * to the cathode while the rounded side corresponds to the anode.
  *
+ * @image html groveled.h
  * @snippet groveled.cxx Interesting
  * @snippet groveled-multi.cxx Interesting
  */

src/grove/grovelight.h

@@ -40,6 +40,7 @@
  * analog pin will be larger in bright light and smaller in the dark.
  * An approximate lux value can also be returned.
  *
+ * @image html grovelight.jpg
  * @snippet grovelight.cxx Interesting
  */
  

src/grove/groverelay.h

@@ -39,6 +39,7 @@
  * control a higher voltage and/or higher current.  When closed, 
  * the indicator LED will light up and current is allowed to flow.
  *
+ * @image html groverelay.jpg
  * @snippet groverelay.cxx Interesting
  */
  

src/grove/grovetemp.h

@@ -36,6 +36,7 @@
  *
  * Very basic UPM module for Grove temperature sensor on analog
  *
+ * @image html grovetemp.h
  * @snippet grovetemp.cxx Interesting
  */
  

src/grovescam/grovescam.h

@@ -71,6 +71,7 @@ namespace upm {
      *
      * It is connected via a UART at 115200 baud.
      * 
+     * @image html grovescam.jpg
      * @snippet grovescam.cxx Interesting
      */
 

src/guvas12d/guvas12d.h

@@ -46,6 +46,7 @@ namespace upm {
    *
    * UPM module for the GUVAS12D UV Sensor
    *
+   * @image html guvas12d.jpg
    * @snippet guvas12d.cxx Interesting
    */
   class GUVAS12D {

src/m24lr64e/m24lr64e.h

@@ -73,6 +73,7 @@ namespace upm {
    * device via NFC, as well as set the NFC passwords, which cannot be
    * done via I2C.
    *
+   * @image html m24lr64e.jpg
    * @snippet m24lr64e.cxx Interesting
    */
   class M24LR64E {