Create Devfile

Devfile

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+metadata:
+  name: pitt-boot
+projects:
+  - name: spring-boot-java
+    source:
+      location: 'https://github.com/pittar/spring-petclinic'
+      type: git
+      branch: master
+components:
+  - id: redhat/java/latest
+    type: chePlugin
+  - mountSources: true
+    memoryLimit: 512Mi
+    type: dockerimage
+    volumes:
+      - name: m2
+        containerPath: /home/user/.m2
+    alias: maven
+    image: 'quay.io/eclipse/che-java11-maven:nightly'
+    env:
+      - value: /home/user/.m2
+        name: MAVEN_CONFIG
+      - value: >-
+          -XX:MaxRAMPercentage=50 -XX:+UseParallelGC -XX:MinHeapFreeRatio=10
+          -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4
+          -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true
+          -Xms20m -Djava.security.egd=file:/dev/./urandom -Duser.home=/home/user
+        name: MAVEN_OPTS
+      - value: >-
+          -XX:MaxRAMPercentage=50 -XX:+UseParallelGC -XX:MinHeapFreeRatio=10
+          -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4
+          -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true
+          -Xms20m -Djava.security.egd=file:/dev/./urandom
+        name: JAVA_OPTS
+      - value: >-
+          -XX:MaxRAMPercentage=50 -XX:+UseParallelGC -XX:MinHeapFreeRatio=10
+          -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4
+          -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true
+          -Xms20m -Djava.security.egd=file:/dev/./urandom
+        name: JAVA_TOOL_OPTIONS
+apiVersion: 1.0.0