Adding functionality to read from local database, unit tests

.coveragerc

@@ -0,0 +1,3 @@
+[report]
+exclude_also =
+    # pragma: no cover

.github/workflows/testing-and-coverage.yml

@@ -27,8 +27,8 @@ jobs:
       run: |
         sudo apt-get update
         python -m pip install --upgrade pip
-        pip install .
-        pip install .[dev]
+        pip install -e .
+        pip install -e .[dev]
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Run unit tests with pytest
       run: |

.gitignore

@@ -164,5 +164,3 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
-# ignore large db files
-*.db