MAINT: Modify air configuration to not trigger a rebuild on test any …

…changes.

api/air.toml

@@ -16,13 +16,13 @@ full_bin = "./tmp/plooral-api"
 # Watch these filename extensions.
 include_ext = ["go", "tpl", "tmpl", "html"]
 # Ignore these filename extensions or directories.
-exclude_dir = []
+exclude_dir = ["tmp", "test/data"]
 # Watch these directories if you specified.
 include_dir = []
 # Exclude files.
 exclude_file = []
 # Exclude specific regular expressions.
-exclude_regex = []
+exclude_regex = ["^.+_test.go$"]
 # Exclude unchanged files.
 exclude_unchanged = true
 # Follow symlink for directories