Refactor course to course data

[AngelsandDevsLOL]

Proposed Changes

This PR moves the existing Course data type in Database/Tables.hs to Models/Course.hs, and renames it to CourseData. This data type is used to return course data from the back-end to the front-end. It is separate from Courses in Database/Tables.hs, which is used for internal back-end use.

Methods in Models/Course.hs is updated to use CourseData instead of Course. The import, import Database.Tables hiding (breadth, distribution) is changed to just import Database.Tables since the breadth and distribution for the Course data type is no longer there. The parameters for insertCourse is also adjusted accordingly.

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Type of Change

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Type	Applies?
🚨 Breaking change (fix or feature that would cause existing functionality to change)
✨ New feature (non-breaking change that adds functionality)
🐛 Bug fix (non-breaking change that fixes an issue)
🎨 User interface change (change to user interface; provide screenshots)
♻️ Refactoring (internal change to codebase, without changing functionality)	X
🚦 Test update (change that only adds or modifies tests)
📦 Dependency update (change that updates a dependency)
🔧 Internal (change that only affects developers or continuous integration)

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[coveralls]

Coverage Report for CI Build 23

Coverage remained the same at 58.609%

Details

• Coverage remained the same as the base build.
• Patch coverage: 13 uncovered changes across 1 file (1 of 14 lines covered, 7.14%).
• 14 coverage regressions across 2 files.

Uncovered Changes

File	Changed	Covered	%
app/Models/Course.hs	14	1	7.14%

Coverage Regressions

14 previously-covered lines in 2 files lost coverage.

File	Lines Losing Coverage	Coverage
app/Models/Course.hs	10	53.95%
app/Database/Tables.hs	4	76.0%

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Coverage Stats

Relevant Lines:	3938
Covered Lines:	2370
Line Coverage:	60.18%
Relevant Branches:	964
Covered Branches:	503
Branch Coverage:	52.18%
Branches in Coverage %:	Yes
Coverage Strength:	164.61 hits per line

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💛 - Coveralls