Split backend service into checker and generator

Both are linked through a unix socket.

libfic/generation.go

@@ -0,0 +1,18 @@
+package fic
+
+type GenerateType int
+
+const (
+	GenPublic GenerateType = iota
+	GenEvents
+	GenTeam
+	GenTeams
+	GenThemes
+	GenTeamIssues
+)
+
+type GenStruct struct {
+	Id     string       `json:"id"`
+	Type   GenerateType `json:"type"`
+	TeamId int64        `json:"team_id,omitempty"`
+}