Initial commit: WACE PLM with database initialization features

- Add Docker Compose configurations for dev, prod, and standalone environments
- Add database initialization scripts (init-db.sh, init-db-docker.sh)
- Add enhanced start-docker-linux.sh with DB init support
- Add comprehensive database initialization guide
- Support for automatic dbexport.pgsql import on first run
- Include safety checks for production environment

src/com/pms/common/UpperKeyMap.java

@@ -0,0 +1,12 @@
+package com.pms.common;
+
+import java.util.HashMap;
+
+import org.apache.commons.lang3.StringUtils;
+ 
+public class UpperKeyMap extends HashMap {
+ 
+    public Object put(Object key, Object value) {
+        return super.put(StringUtils.upperCase((String) key), value);
+    }
+}