Added TODO and REVIEW markers

Author: jonasbn

go/learn_go.md

@@ -53,8 +53,12 @@ Actually tools like `golint` will help you out with this automatically, but let
 
 **Line 6**: This is function declaration
 
+TODO: Add note on main function
+
 The `main` function, is indication of where there executable should start.
 
+TODO: Add notes on function signatures
+
 No parameters:
 
 ```go
@@ -87,6 +91,8 @@ So lets add some tests, so make sure our "hello world" implementation works as e
 
 This requires that we dwelve into Go modules and Go testing.
 
+TODO: Add notes on testing in Go
+
 Now that you somewhat up and running with Go, some next steps could be:
 
 - Check out a proposal for a [Go Developer Roadmap][godevroadmap2020] for learning Go in 2020

go/reading_benchmark_results.md

@@ -20,6 +20,8 @@ _NB: I have condensed the output a bit for readability, by collapsing excessive
 
 It does require that the test suite has a benchmarking function.
 
+TODO: Add details on benchmarking test
+
 This runs our test suite and benchmarks it, with 3 iterations, specified by the `-count` parameter.
 
 As you can read from the example output.
@@ -61,6 +63,8 @@ _Since I was unable to understand the output, I had to ask around and I received
 
 The first 3 columns are the ones from the basic benchmark. So with the `--benchmem` flag, two more columns are added:
 
+REVIEW: is this description correct?
+
 - Fourth column is the number of _extra_ bytes allocated per iteration
 - Fifth column is the number of _extra_ allocations made per iteration