Rename midterm-solutions

previous-exams/2021-midterm-solutions/m3/grading-tests.jar

...idterm-solutions/m3/project/FilteringReporterPlugin.scala

...xams/2021-midterm-solutions/m3/project/MOOCSettings.scala

...xams/2021-midterm-solutions/m3/project/StudentTasks.scala

...-exams/2021-midterm-solutions/m3/project/build.properties

...exams/2021-midterm-solutions/m3/project/buildSettings.sbt

previous-exams/2021-midterm-solutions/m3/project/plugins.sbt

...ams/2021-midterm-solutions/m3/src/main/scala/m3/Lib.scala

...xams/2021-midterm-solutions/m3/src/main/scala/m3/M3.scala

...2021-midterm-solutions/m3/src/test/scala/m3/M3Suite.scala

previous-exams/2021-midterm-solutions/m6.md

previous-exams/2021-midterm-solutions/m6/.gitignore

previous-exams/2021-midterm-solutions/m6/assignment.sbt

previous-exams/2021-midterm-solutions/m6/build.sbt

previous-exams/2021-midterm-solutions/m6/grading-tests.jar

...idterm-solutions/m6/project/FilteringReporterPlugin.scala

...xams/2021-midterm-solutions/m6/project/MOOCSettings.scala

...xams/2021-midterm-solutions/m6/project/StudentTasks.scala

...-exams/2021-midterm-solutions/m6/project/build.properties

...exams/2021-midterm-solutions/m6/project/buildSettings.sbt