adds tests for config

[Jerboa-app]

Closes #72

[BurrowBot]

Looks like you increased coverage by 0.71 %, fantastic!
Here is the full report breakdown

Total coverage 37.06 % (+0.71 % against main)
________________________________
src/main.rs                      | 0.0   % 0 / 15
src/server/api/stats.rs          | 0.0   % 0 / 81
src/server/http.rs               | 0.0   % 0 / 20
src/web/mod.rs                   | 0.0   % 0 / 30
src/web/throttle.rs              | 0.0   % 0 / 48
src/web/stats.rs                 | 4.45  % 11 / 247
src/server/https.rs              | 6.25  % 4 / 64
src/lib.rs                       | 42.11 % 8 / 19
src/config.rs                    | 50.0  % 7 / 14
src/util.rs                      | 60.66 % 37 / 61
src/filesystem/folder.rs         | 61.11 % 33 / 54
src/content/mod.rs               | 72.0  % 72 / 100
src/content/sitemap.rs           | 77.78 % 119 / 153
src/filesystem/file.rs           | 87.88 % 29 / 33
src/web/discord/request/post.rs  | 90.0  % 9 / 10
src/content/filter.rs            | 100.0 % 3 / 3
src/content/mime_type.rs         | 100.0 % 30 / 30
src/web/discord/request/model.rs | 100.0 % 3 / 3
________________________________

[BurrowBot]

Looks like you increased coverage by 0.71 %, fantastic!
Here is the full report breakdown

Total coverage 37.06 % (+0.71 % against main)
________________________________
src/main.rs                      | 0.0   % 0 / 15
src/server/api/stats.rs          | 0.0   % 0 / 81
src/server/http.rs               | 0.0   % 0 / 20
src/web/mod.rs                   | 0.0   % 0 / 30
src/web/throttle.rs              | 0.0   % 0 / 48
src/web/stats.rs                 | 4.45  % 11 / 247
src/server/https.rs              | 6.25  % 4 / 64
src/lib.rs                       | 42.11 % 8 / 19
src/config.rs                    | 50.0  % 7 / 14
src/util.rs                      | 60.66 % 37 / 61
src/filesystem/folder.rs         | 61.11 % 33 / 54
src/content/mod.rs               | 72.0  % 72 / 100
src/content/sitemap.rs           | 77.78 % 119 / 153
src/filesystem/file.rs           | 87.88 % 29 / 33
src/web/discord/request/post.rs  | 90.0  % 9 / 10
src/content/filter.rs            | 100.0 % 3 / 3
src/content/mime_type.rs         | 100.0 % 30 / 30
src/web/discord/request/model.rs | 100.0 % 3 / 3
________________________________

[BurrowBot]

Looks like you increased coverage by 0.91 %, fantastic!
Here is the full report breakdown

Total coverage 37.26 % (+0.91 % against main)
________________________________
src/main.rs                      | 0.0   % 0 / 15
src/server/api/stats.rs          | 0.0   % 0 / 81
src/server/http.rs               | 0.0   % 0 / 20
src/web/mod.rs                   | 0.0   % 0 / 30
src/web/throttle.rs              | 0.0   % 0 / 48
src/web/stats.rs                 | 4.45  % 11 / 247
src/server/https.rs              | 6.25  % 4 / 64
src/lib.rs                       | 42.11 % 8 / 19
src/util.rs                      | 60.66 % 37 / 61
src/filesystem/folder.rs         | 61.11 % 33 / 54
src/config.rs                    | 64.29 % 9 / 14
src/content/mod.rs               | 72.0  % 72 / 100
src/content/sitemap.rs           | 77.78 % 119 / 153
src/filesystem/file.rs           | 87.88 % 29 / 33
src/web/discord/request/post.rs  | 90.0  % 9 / 10
src/content/filter.rs            | 100.0 % 3 / 3
src/content/mime_type.rs         | 100.0 % 30 / 30
src/web/discord/request/model.rs | 100.0 % 3 / 3
________________________________