Add some documentation

notes/enableGo.md

@@ -37,3 +37,6 @@ Cobra documentation available at https://github.com/spf13/cobra/blob/master/cobr
 * [Regex to verify Hamradio callsign and retrieve prefix](https://regex101.com/library/6QhGuD)
 * [Hamradio callsign](https://regex101.com/library/uP6xD2)
 * [Verify amateur radio call sign meets ITU format](https://regex101.com/library/gS6qG8)
+
+## Parsing 2
+* [Effective text parsing in golang](https://medium.com/@TobiasSchmidt89/effective-text-parsing-in-golang-163d13784288)

notes/protocol.md

@@ -1,5 +1,10 @@
 # FLE File specification
 
+## General
+
+* line comment: "#" => "`^#`s" 
+* Multi line comment: enclosed in "{}"
+
 ## Header
 
 * **mycall**	The mycall keyword is your station call sign and it is mandatory. This is the logging station's call sign (the call sign used over the air). Saving ADIF files without your own call is prevented.
@@ -9,3 +14,6 @@
 * **mysota**	The mysota keyword is used to register your own SOTA reference number in SOTA Logging. The syntax is: AA/NN-CCC: Association/Name-3-digit numeric Code (e.g. G/CE-001). Your own SOTA reference number is mandatory for SOTA Logging.
 * **nickname**	The nickname keyword can be used for eQSL ADIF uploads. See chapter Uploading logs to eQSL.cc.
 * **date**	The date format is year-month-day (YYYY-MM-DD), e.g. 2016-12-31. Year, month and day may be abbreviated and you may use separators other than dash.
+
+## validations
+* call