[mod] readme

readme.md

@@ -13,9 +13,41 @@
 - GNU Make
 
 
-### Anleitung
+### Anweisungen
 
 - `tools/build` ausführen
 
 
+## Dokumentation
+
+Beispiel-Nutzung:
+
+```sh
+tools/build
+cd build
+cat ../doc/examples/contacts.sindri.json | ./sindri -f database:sqlite
+```
+
+… erzeugt:
+
+```sql
+CREATE TABLE
+	`address`(
+		`id` INTEGER PRIMARY KEY AUTOINCREMENT,
+		`city` VARCHAR(255) NOT NULL,
+		`zip` VARCHAR(255) NOT NULL,
+		`street` VARCHAR(255) NOT NULL
+	)
+;
+
+CREATE TABLE
+	`person`(
+		`id` INTEGER PRIMARY KEY AUTOINCREMENT,
+		`prename` VARCHAR(255) NOT NULL,
+		`surname` VARCHAR(255) NOT NULL,
+		`address_id` INTEGER NOT NULL,
+		`email_address` VARCHAR(255) DEFAULT NULL
+	)
+;
+```