Add build-war maven profile

The profile builds a .war file with no embedded tomcat, so it can be
deployed on a standalone tomcat instance

pom.xml

@@ -14,7 +14,7 @@
     <groupId>de.77zzcx7</groupId>
     <artifactId>financer</artifactId>
     <version>1.0-SNAPSHOT</version>
-    <packaging>jar</packaging>
+    <packaging>${packaging.type}</packaging>
 
     <name>financer</name>
 
@@ -23,6 +23,7 @@
         <maven.compiler.source>1.9</maven.compiler.source>
         <maven.compiler.target>1.9</maven.compiler.target>
         <java.version>1.9</java.version>
+        <packaging.type>jar</packaging.type>
     </properties>
 
     <dependencies>
@@ -58,7 +59,6 @@
             <artifactId>jollyday</artifactId>
             <version>0.5.7</version>
         </dependency>
-        <!-- TODO maybe set scope to provided when running in tomcat -->
         <dependency>
             <groupId>org.glassfish.jaxb</groupId>
             <artifactId>jaxb-runtime</artifactId>
@@ -154,5 +154,24 @@
                 </plugins>
             </build>
         </profile>
+
+        <profile>
+            <id>build-war</id>
+            <properties>
+                <packaging.type>war</packaging.type>
+            </properties>
+            <dependencies>
+                <dependency>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-tomcat</artifactId>
+                    <scope>provided</scope>
+                </dependency>
+                <dependency>
+                    <groupId>org.glassfish.jaxb</groupId>
+                    <artifactId>jaxb-runtime</artifactId>
+                    <scope>provided</scope>
+                </dependency>
+            </dependencies>
+        </profile>
     </profiles>
 </project>