add report

reports/2020_05_29.org

+* Status
+** finished
+- [[https://github.com/replikativ/datahike/releases/tag/v0.3.0][release 0.3.0]]
+- new release cycle
+** started features
+- transactor first version
+- jdbc backend
+- [[https://github.com/replikativ/datahike-benchmark][benchmarks]] extended
+- performance improvement
+- central release management for datahike and supporting libraries with CI/CD
+- ClojureScript port
+- adjusting supporting libraries to 0.3.0
+- minor fixes
+** next design
+- connector API
+- identity and access management