Add email validation

src/main/kotlin/fr/dcproject/common/validation/Email.kt

@@ -0,0 +1,6 @@
+package fr.dcproject.common.validation
+
+import io.konform.validation.ValidationBuilder
+import io.konform.validation.jsonschema.pattern
+
+fun ValidationBuilder<String>.email() = pattern(""".+@.+\..+""")

src/test/kotlin/unit/Email Validation.kt

@@ -0,0 +1,32 @@
+package unit
+
+import fr.dcproject.common.validation.email
+import io.konform.validation.Invalid
+import io.konform.validation.Valid
+import io.konform.validation.Validation
+import org.amshove.kluent.`should be instance of`
+import org.junit.jupiter.api.Tag
+import org.junit.jupiter.api.Tags
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import org.junit.jupiter.api.parallel.Execution
+import org.junit.jupiter.api.parallel.ExecutionMode
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+@Execution(ExecutionMode.CONCURRENT)
+@Tags(Tag("validation"), Tag("unit"))
+internal class `Email Validation` {
+    @Test
+    fun passwordScore() {
+        Validation<ObjectToValid> {
+            ObjectToValid::email {
+                email()
+            }
+        }.run {
+            validate(ObjectToValid("abc@123.com")) `should be instance of` Valid::class
+            validate(ObjectToValid("abc123.com")) `should be instance of` Invalid::class
+        }
+    }
+
+    class ObjectToValid(val email: String)
+}