Added go text template writier (#1)

feat(templ): ✨ added templ to command line that reads go template and outputs code

Reviewed-on: #1
Co-authored-by: Hein <hein.puth@gmail.com>
Co-committed-by: Hein <hein.puth@gmail.com>

pkg/commontypes/sql.go

@@ -0,0 +1,22 @@
+package commontypes
+
+import "strings"
+
+// ExtractBaseType extracts the base type from a SQL type string
+// Examples: varchar(100) → varchar, numeric(10,2) → numeric
+func ExtractBaseType(sqlType string) string {
+	sqlType = strings.ToLower(strings.TrimSpace(sqlType))
+
+	// Remove everything after '('
+	if idx := strings.Index(sqlType, "("); idx > 0 {
+		sqlType = sqlType[:idx]
+	}
+
+	return sqlType
+}
+
+// NormalizeType normalizes a SQL type to its base form
+// Alias for ExtractBaseType for backwards compatibility
+func NormalizeType(sqlType string) string {
+	return ExtractBaseType(sqlType)
+}