Starts adding tests and github workflow

src/go.mod

@@ -8,11 +8,13 @@ require (
 	github.com/jomei/notionapi v1.13.2
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.19.0
+	github.com/stretchr/testify v1.9.0
 	golang.org/x/term v0.24.0
 	modernc.org/sqlite v1.33.1
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
@@ -25,6 +27,7 @@ require (
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
@@ -33,6 +36,7 @@ require (
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect