update I2C example link

maciejbocianski · maciejbocianski · commit 37e976c2795b · 2020-03-10T09:53:29.000+01:00
diff --git a/docs/api/io/I2C.md b/docs/api/io/I2C.md
@@ -16,4 +16,4 @@ The I2C protocol supports up to 127 devices per bus, and its default clock frequ
 
 ## I2C hello, world
 
-[![View code](https://www.mbed.com/embed/?url=https://os.mbed.com/teams/mbed_example/code/I2C_HelloWorld/)](https://os.mbed.com/teams/mbed_example/code/I2C_HelloWorld/file/afb2d7fd50ad/main.cpp)
+[![View code](https://www.mbed.com/embed/?url=https://github.com/ARMmbed/mbed-os-examples-docs_only/blob/master/APIs_Drivers/I2C_ex_1/)](https://github.com/ARMmbed/mbed-os-examples-docs_only/blob/master/APIs_Drivers/I2C_ex_1/main.cpp)

Original file line number	Diff line number	Diff line change
`@@ -16,4 +16,4 @@ The I2C protocol supports up to 127 devices per bus, and its default clock frequ`
`16`	`16`
`17`	`17`	`## I2C hello, world`
`18`	`18`
`19`		`-[![View code](https://www.mbed.com/embed/?url=https://os.mbed.com/teams/mbed_example/code/I2C_HelloWorld/)](https://os.mbed.com/teams/mbed_example/code/I2C_HelloWorld/file/afb2d7fd50ad/main.cpp)`
	`19`	`+[![View code](https://www.mbed.com/embed/?url=https://github.com/ARMmbed/mbed-os-examples-docs_only/blob/master/APIs_Drivers/I2C_ex_1/)](https://github.com/ARMmbed/mbed-os-examples-docs_only/blob/master/APIs_Drivers/I2C_ex_1/main.cpp)`