Merge pull request 'pdf-by-filename' (#28) from pdf-by-filename-#27 into main

Implemented PDF dir:

+ now you can set a `pdf_path` variable in the config and throuch the CLI flag `--pdf-dir`
+ this dir will be searched recursivley for PDF files which mathc a citekey from the used `.bib` files and connects with them
+ every entry can have multiple PDFs with the citekey-basename in different subdirs
+ the bibfile itself will not be altered
+ additionally, i rewrote the internal popup code for easier contribution

3 files changed, 0 insertions, 0 deletions

diff --git a/tests/pdf-files/annotated-pdfs/ARIStotle:rheTORIC.PDF b/tests/pdf-files/annotated-pdfs/ARIStotle:rheTORIC.PDF
new file mode 100644
index 0000000..6aaba88
--- /dev/null
+++ b/tests/pdf-files/annotated-pdfs/ARIStotle:rheTORIC.PDF
diff --git a/tests/pdf-files/aristotle:physics.pdf b/tests/pdf-files/aristotle:physics.pdf
new file mode 100644
index 0000000..6aaba88
--- /dev/null
+++ b/tests/pdf-files/aristotle:physics.pdf
diff --git a/tests/pdf-files/aristotle:rhetoric.pdf b/tests/pdf-files/aristotle:rhetoric.pdf
new file mode 100644
index 0000000..6aaba88
--- /dev/null
+++ b/tests/pdf-files/aristotle:rhetoric.pdf