[rocprofiler-compute] Add database output format to analyze mode (#748)

Analysis data dump

* Add `--output-format` and `--output-name` option to analyze mode

* Remove `--output` and `-save-dfs` option to analyze mode

* Add documentation on `rocpd` output format and analysis database file

* Create sqlite3 database using object relation mapping (ORM) provided
  by sqlalchemy library

* Fix metrics config to remove metrics marked as `null`, fix `Unit` header, add
  missing `title`

* Add test cases to ensure analysis data dump work

projects/rocprofiler-compute/docker/docker-compose.doctest.yml

@@ -1,9 +1,9 @@
 services:
   doctest: # service name
     build:
-      context: ../
-      dockerfile: docker/Dockerfile.doctest
+      context: ../../../
+      dockerfile: projects/rocprofiler-compute/docker/Dockerfile.doctest
     volumes:
-      - ../:/app
+      - ../../../:/app
     tty: true
     stdin_open: true