feat: Added pdf merger program using pypdf

Author: king04aman

Merge PDFs/merge.py

@@ -0,0 +1,21 @@
+from PyPDF2 import PdfFileMerger
+
+
+def by_appending():
+    merger = PdfFileMerger()
+    f1 = open("testPDF1.pdf", "rb")
+    merger.append(f1)
+    merger.append("testPDF12.pdf")
+
+    merger.write("mergedPDF.pdf")
+
+def by_inserting():
+    merger = PdfFileMerger()
+    merger.append("testPDF1.pdf")
+    merger.merge(0, "testPDF2.pdf")
+    merger.write("mergedPDF.pdf")
+
+
+if __name__ == "__main__":
+    by_appending()
+    by_inserting()