cwhub: context type (#2631)

* add hub type "context"
* cscli lapi: log.Fatal -> fmt.Errorf; lint
* tests for context.yaml
* load console context from hub
* original & compiled context
* deprecate "cscli lapi context delete"
$ cscli lapi context delete
Command "delete" is deprecated, please manually edit the context file.
* cscli completion: add appsec-rules, appsec-configs, explain, hubtest

cmd/crowdsec-cli/hubcontext.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"github.com/crowdsecurity/crowdsec/pkg/cwhub"
+)
+
+func NewContextCLI() *itemCLI {
+	return &itemCLI{
+		name:      cwhub.CONTEXTS,
+		singular:  "context",
+		oneOrMore: "context(s)",
+		help: cliHelp{
+			example: `cscli contexts list -a
+cscli contexts install crowdsecurity/yyy crowdsecurity/zzz
+cscli contexts inspect crowdsecurity/yyy crowdsecurity/zzz
+cscli contexts upgrade crowdsecurity/yyy crowdsecurity/zzz
+cscli contexts remove crowdsecurity/yyy crowdsecurity/zzz
+`,
+		},
+		installHelp: cliHelp{
+			example: `cscli contexts install crowdsecurity/yyy crowdsecurity/zzz`,
+		},
+		removeHelp: cliHelp{
+			example: `cscli contexts remove crowdsecurity/yyy crowdsecurity/zzz`,
+		},
+		upgradeHelp: cliHelp{
+			example: `cscli contexts upgrade crowdsecurity/yyy crowdsecurity/zzz`,
+		},
+		inspectHelp: cliHelp{
+			example: `cscli contexts inspect crowdsecurity/yyy crowdsecurity/zzz`,
+		},
+		listHelp: cliHelp{
+			example: `cscli contexts list
+cscli contexts list -a
+cscli contexts list crowdsecurity/yyy crowdsecurity/zzz
+
+List only enabled contexts unless "-a" or names are specified.`,
+		},
+	}
+}