Added a ParserBuilder to manage all CCSDS messages parsers.

src/design/ccsds-parsing-class-diagram.puml

src/design/ccsds-structure-class-diagram.puml

src/main/java/org/orekit/files/ccsds/ndm/ParserBuilder.java

src/site/markdown/architecture/ccsds.md

...ava/org/orekit/files/ccsds/ndm/adm/aem/AEMParserTest.java

...ava/org/orekit/files/ccsds/ndm/adm/aem/AEMWriterTest.java

...rekit/files/ccsds/ndm/adm/aem/StreamingAemWriterTest.java

...ava/org/orekit/files/ccsds/ndm/adm/apm/APMParserTest.java

...ava/org/orekit/files/ccsds/ndm/odm/ocm/OCMParserTest.java

...ava/org/orekit/files/ccsds/ndm/odm/oem/OEMParserTest.java

...ava/org/orekit/files/ccsds/ndm/odm/oem/OEMWriterTest.java

...rekit/files/ccsds/ndm/odm/oem/StreamingOemWriterTest.java

...ava/org/orekit/files/ccsds/ndm/odm/omm/OMMParserTest.java

...ava/org/orekit/files/ccsds/ndm/odm/opm/OPMParserTest.java

...st/java/org/orekit/files/ccsds/ndm/tdm/TDMParserTest.java